Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
9501	Resolva para x	logarithme de x+14- logarithme de 2 = logarithme de 3x+4	$\log (x + 14) - \log (2) = \log (3 x + 4)$
9502	Resolva para x	logarithme de x+12- logarithme de 2 = logarithme de 2x+2	$\log (x + 12) - \log (2) = \log (2 x + 2)$
9503	Resolva para x	logarithme de x+10- logarithme de 2 = logarithme de 3x+4	$\log (x + 10) - \log (2) = \log (3 x + 4)$
9504	Resolva para x	logarithme de x+11- logarithme de 2 = logarithme de 4x+1	$\log (x + 11) - \log (2) = \log (4 x + 1)$
9505	Resolva para x	logarithme de x+11- logarithme de 2 = logarithme de 4x+3	$\log (x + 11) - \log (2) = \log (4 x + 3)$
9506	Resolva para x	logarithme de x+12- logarithme de 2 = logarithme de 4x+4	$\log (x + 12) - \log (2) = \log (4 x + 4)$
9507	Resolva para x	logarithme de x+19 = logarithme de x+ logarithme de 19	$\log (x + 19) = \log (x) + \log (19)$
9508	Resolva para x	logarithme de x+20- logarithme de x+2 = logarithme de x	$\log (x + 20) - \log (x + 2) = \log (x)$
9509	Resolva para x	logarithme de x+2- logarithme de x=3	$\log (x + 2) - \log (x) = 3$
9510	Resolva para x	logarithme de x+3- logarithme de 2x-5=3	$\log (x + 3) - \log (2 x - 5) = 3$
9511	Resolva para x	logarithme de x+ logarithme de x-3=2	$\log (x) + \log (x - 3) = 2$
9512	Resolva para x	logarithme de x+ logarithme de x-2 = logarithme de 5x	$\log (x) + \log (x - 2) = \log (5 x)$
9513	Resolva para x	logarithme de x+ logarithme de x-1 = logarithme de 72	$\log (x) + \log (x - 1) = \log (72)$
9514	Resolva para x	logarithme de x=1/2* logarithme de 16-1/3* logarithme de 8+1	$\log (x) = \frac{1}{2} \cdot \log (16) - \frac{1}{3} \cdot \log (8) + 1$
9515	Resolva para x	logarithme de x+ logarithme de x-6 = logarithme de 16	$\log (x) + \log (x - 6) = \log (16)$
9516	Resolva para x	logarithme de x = racine carrée de (1.872-1.68)^2+(1.489-x^2)^2	$\log (x) = \sqrt{{(1.872 - 1.68)}^{2} + {(1.489 - x^{2})}^{2}}$
9517	Resolva para x	logarithme de x=1- logarithme de x-3	$\log (x) = 1 - \log (x - 3)$
9518	Resolva para x	logarithme de 3(2x+1)+ logarithme de 3(x+4)=2	$\log (3) (2 x + 1) + \log (3) (x + 4) = 2$
9519	Resolva para x	logarithme de 2x+1 = logarithme de x+6	$\log (2 x + 1) = \log (x + 6)$
9520	Resolva para x	logarithme de 3+ logarithme de x = logarithme de 5+ logarithme de x-2	$\log (3) + \log (x) = \log (5) + \log (x - 2)$
9521	Resolva para x	logarithme de 3+ logarithme de x-6 = logarithme de x	$\log (3) + \log (x - 6) = \log (x)$
9522	Resolva para x	logarithme de 3+x- logarithme de x-3 = logarithme de 3	$\log (3 + x) - \log (x - 3) = \log (3)$
9523	Resolva para x	logarithme de 3x=2.1	$\log (3 x) = 2.1$
9524	Resolva para x	logarithme de 4+x- logarithme de x-5 = logarithme de 2	$\log (4 + x) - \log (x - 5) = \log (2)$
9525	Resolva para x	logarithme de 3x-1+ logarithme de x+5=1	$\log (3 x - 1) + \log (x + 5) = 1$
9526	Resolva para x	logarithme de 3x+5=-2	$\log (3 x + 5) = - 2$
9527	Resolva para x	logarithme de 3x+4 = logarithme de x-10	$\log (3 x + 4) = \log (x - 10)$
9528	Resolva para x	logarithme de 2+3 logarithme de x=5 logarithme de y- logarithme de 5-2 logarithme de z	$\log (2) + 3 \log (x) = 5 \log (y) - \log (5) - 2 \log (z)$
9529	Resolva para x	logarithme de 2=3- logarithme de x	$\log (2) = 3 - \log (x)$
9530	Resolva para x	logarithme de 2x=2	$\log (2) x = 2$
9531	Resolva para x	logarithme de 2x=5	$\log (2) x = 5$
9532	Resolva para x	logarithme de 1-x- logarithme de 1+x=2	$\log (1 - x) - \log (1 + x) = 2$
9533	Resolva para x	logarithme de 10x=4	$\log (10) x = 4$
9534	Resolva para x	logarithme de 0.01=x	$\log (0.01) = x$
9535	Resolva para x	logarithme de 2x+1 = logarithme de 15	$\log (2 x + 1) = \log (15)$
9536	Resolva para x	logarithme de 2x+1 = logarithme de x-3+ logarithme de x+5	$\log (2 x + 1) = \log (x - 3) + \log (x + 5)$
9537	Resolva para x	logarithme de 2-x=0.5	$\log (2 - x) = 0.5$
9538	Resolva para x	logarithme de 2x+3 = logarithme de x-8	$\log (2 x + 3) = \log (x - 8)$
9539	Resolva para x	logarithme de 2x+4=1	$\log (2 x + 4) = 1$
9540	Resolva para x	logarithme de 2x-1+ logarithme de 5=1	$\log (2 x - 1) + \log (5) = 1$
9541	Resolva para x	logarithme de 2x-1+ logarithme de x+4=1	$\log (2 x - 1) + \log (x + 4) = 1$
9542	Resolva para x	logarithme de 8x-2 = logarithme de x+2+ logarithme de 9	$\log (8 x - 2) = \log (x + 2) + \log (9)$
9543	Resolva para x	logarithme de 8x-5 = logarithme de x+1+ logarithme de 9	$\log (8 x - 5) = \log (x + 1) + \log (9)$
9544	Resolva para x	logarithme de 8x+5=1+ logarithme de x-5	$\log (8 x + 5) = 1 + \log (x - 5)$
9545	Resolva para x	logarithme de x+ logarithme de 2x=5	$\log (x) + \log (2 x) = 5$
9546	Resolva para x	logarithme de x* logarithme de x-2 logarithme de x=3	$\log (x) \cdot \log (x) - 2 \log (x) = 3$
9547	Resolva para x	logarithme de x+ logarithme de 2x-5 = logarithme de 3	$\log (x) + \log (2 x - 5) = \log (3)$
9548	Resolva para x	logarithme de x+ logarithme de x+6=1	$\log (x) + \log (x + 6) = 1$
9549	Resolva para x	logarithme de x+ logarithme de x+6 = logarithme de 16	$\log (x) + \log (x + 6) = \log (16)$
9550	Resolva para x	logarithme de x+ logarithme de x+7 = logarithme de 18	$\log (x) + \log (x + 7) = \log (18)$
9551	Resolva para x	logarithme de x+ logarithme de x-16 = logarithme de 80	$\log (x) + \log (x - 16) = \log (80)$
9552	Resolva para x	logarithme de x+ logarithme de x+1 = logarithme de 12	$\log (x) + \log (x + 1) = \log (12)$
9553	Resolva para x	logarithme de x+ logarithme de x+1 = logarithme de 2	$\log (x) + \log (x + 1) = \log (2)$
9554	Resolva para X	logarithme de X+ logarithme de X+1 = logarithme de 6	$\log (X) + \log (X + 1) = \log (6)$
9555	Resolva para x	logarithme de 6x+5- logarithme de 2 = logarithme de 5	$\log (6 x + 5) - \log (2) = \log (5)$
9556	Resolva para x	logarithme de 6x+9=1+ logarithme de x-1	$\log (6 x + 9) = 1 + \log (x - 1)$
9557	Resolva para x	logarithme de 5x+6 = logarithme de x-2	$\log (5 x + 6) = \log (x - 2)$
9558	Resolva para x	logarithme de 50x=2+ logarithme de 2x-3	$\log (50 x) = 2 + \log (2 x - 3)$
9559	Resolva para x	logarithme de 5x- logarithme de x-1=2	$\log (5 x) - \log (x - 1) = 2$
9560	Resolva para x	logarithme de 5(x^2-25)-(x-5)=2	$\log (5) (x^{2} - 25) - (x - 5) = 2$
9561	Resolva para x	(5x^2+3x-2)/(2x^2+15x-27)-(3x+1)/(2x-3)=8/(x+9)	$\frac{5 x^{2} + 3 x - 2}{2 x^{2} + 15 x - 27} - \frac{3 x + 1}{2 x - 3} = \frac{8}{x + 9}$
9562	Resolva para x	5/8=x/32	$\frac{5}{8} = \frac{x}{32}$
9563	Resolva para x	5/(x-1)+2/(x+1)=4/(x^2-1)	$\frac{5}{x - 1} + \frac{2}{x + 1} = \frac{4}{x^{2} - 1}$
9564	Resolva para x	5^(2x)=2500	$5^{2 x} = 2500$
9565	Resolva para x	x^2-3x=12-3(x-2)	$x^{2} - 3 x = 12 - 3 (x - 2)$
9566	Resolva para x	5^(3x+4)=29	$5^{3 x + 4} = 29$
9567	Resolva para x	5^x+3=12	$5^{x} + 3 = 12$
9568	Resolva para x	6^(2x)+6^x-12=0	$6^{2 x} + 6^{x} - 12 = 0$
9569	Resolva para x	3^(x+2)=1/9	$3^{x + 2} = \frac{1}{9}$
9570	Trouver la valeur exacte	cos(-45)	$\cos (- 45)$
9571	Resolva para x	4^(2x)=9^(x-1)	$4^{2 x} = 9^{x - 1}$
9572	Resolva para x	3^(x+6)=5^(x-1)	$3^{x + 6} = 5^{x - 1}$
9573	Resolva para x	(4(x-2))/(x-3)+3/x=-3/(x(x-3))	$\frac{4 (x - 2)}{x - 3} + \frac{3}{x} = \frac{- 3}{x (x - 3)}$
9574	Resolva para x	3^(x-3)=1/9	$3^{x - 3} = \frac{1}{9}$
9575	Resolva para x	(2x)/(x+7)=5/(x+1)	$\frac{2 x}{x + 7} = \frac{5}{x + 1}$
9576	Resolva para x	3/(x+3)-2/(x-2)=5/(3x-6)	$\frac{3}{x + 3} - \frac{2}{x - 2} = \frac{5}{3 x - 6}$
9577	Resolva para x	(2-x)/x+5/6=8/x	$\frac{2 - x}{x} + \frac{5}{6} = \frac{8}{x}$
9578	Resolva para x	3/(5-2x)=7/2	$\frac{3}{5 - 2 x} = \frac{7}{2}$
9579	Resolva para x	27^(1-x)=(1/9)^(2-x)	$27^{1 - x} = {(\frac{1}{9})}^{2 - x}$
9580	Resolva para x	27^(-x+3)=81^(2x+2)	$27^{- x + 3} = 81^{2 x + 2}$
9581	Resolva para x	(2x)/(x-2)=2-1/(x+2)	$\frac{2 x}{x - 2} = 2 - \frac{1}{x + 2}$
9582	Resolva para x	3^(1-4x)=4^x	$3^{1 - 4 x} = 4^{x}$
9583	Resolva para x	3^(2x-7)=27	$3^{2 x - 7} = 27$
9584	Resolva para x	3/(x+4)-7=-4/(x+4)	$\frac{3}{x + 4} - 7 = \frac{- 4}{x + 4}$
9585	Resolva para x	3/(x-2)+2=4/(x-5)	$\frac{3}{x - 2} + 2 = \frac{4}{x - 5}$
9586	Resolva para x	3^(x-1)=83	$3^{x - 1} = 83$
9587	Déterminer s'il y a imparité, parité ou aucun des deux	f(x)=2x^3-8x-4	$f (x) = 2 x^{3} - 8 x - 4$
9588	Resolva para X	2^(1-X)=3	$2^{1 - X} = 3$
9589	Resolva para x	2^(2x+10)=3^(x-40)	$2^{2 x + 10} = 3^{x - 40}$
9590	Resolva para x	11/6=(9x+7)^(8/11)	$\frac{11}{6} = {(9 x + 7)}^{\frac{8}{11}}$
9591	Resolva para x	12/x-7=-27/x+6	$\frac{12}{x} - 7 = - \frac{27}{x} + 6$
9592	Resolva para x	1000^(-x)=10^(4x-4)	$1000^{- x} = 10^{4 x - 4}$
9593	Resolva para x	10^x=570	$10^{x} = 570$
9594	Resolva para x	18^2+x^2=30^2	$18^{2} + x^{2} = 30^{2}$
9595	Resolva para x	(2(x+2))/3-(3(3x-1))/21=1	$\frac{2 (x + 2)}{3} - \frac{3 (3 x - 1)}{21} = 1$
9596	Resolva para x	2/1=x/960	$\frac{2}{1} = \frac{x}{960}$
9597	Resolva para x	4^x=40	$4^{x} = 40$
9598	Resolva para x	5/(x+3)-(2x+1)/(11-x)=2	$\frac{5}{x + 3} - \frac{2 x + 1}{11 - x} = 2$
9599	Resolva para x	(7(x-2))/(x-3)+13/x=-13/(x(x-3))	$\frac{7 (x - 2)}{x - 3} + \frac{13}{x} = \frac{- 13}{x (x - 3)}$
9600	Resolva para x	5^(x+8)=4	$5^{x + 8} = 4$