Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
24801	Resolva para x	(1-tan(x)^2)/(1+tan(x)^2)=cos(2x)	$\frac{1 - \tan^{2} (x)}{1 + \tan^{2} (x)} = \cos (2 x)$
24802	Resolva para x	(1-tan(x)^2)/(1+tan(x)^2)+1=2cos(x)^2	$\frac{1 - \tan^{2} (x)}{1 + \tan^{2} (x)} + 1 = 2 \cos^{2} (x)$
24803	Resolva para x	1/2*(cot(x)+tan(x))=csc(2x)	$\frac{1}{2} \cdot (\cot (x) + \tan (x)) = \csc (2 x)$
24804	Resolva para x	10^x=4.67	$10^{x} = 4.67$
24805	Resolva para x	\|b\|-5=23	$\| b \| - 5 = 23$
24806	Resolva para x	\|v+7\|=2	$\| v + 7 \| = 2$
24807	Resolva para x	\|v-6\|=5	$\| v - 6 \| = 5$
24808	Resolva para x	\|x\|+1>6	$\| x \| + 1 > 6$
24809	Resolva para x	\|y\|=4	$\| y \| = 4$
24810	Resolva para x	\|y+2\|=7	$\| y + 2 \| = 7$
24811	Resolva para x	1/2(x+3)+2(x-4)>1/3(x-3)	$\frac{1}{2} \cdot (x + 3) + 2 (x - 4) > \frac{1}{3} \cdot (x - 3)$
24812	Resolva para x	1/4x+6=4	$\frac{1}{4} x + 6 = 4$
24813	Resolva para x	11^(5n)=1/14641	$11^{5 n} = \frac{1}{14641}$
24814	Resolva para x	2/3x-5/6>3/4x	$\frac{2}{3} x - \frac{5}{6} > \frac{3}{4} x$
24815	Resolva para x	-2/3x+9>7	$- \frac{2}{3} x + 9 > 7$
24816	Resolva para x	2/w+3>29/w	$\frac{2}{w} + 3 > \frac{29}{w}$
24817	Resolva para x	3^(2n)=1/81	$3^{2 n} = \frac{1}{81}$
24818	Resolva para x	3^x*4^x=1728	$3^{x} \cdot 4^{x} = 1728$
24819	Resolva para x	4/(3x)+7/x<5/9	$\frac{4}{3 x} + \frac{7}{x} < \frac{5}{9}$
24820	Resolva para x	4/5x>3(1/5x-1)+4	$\frac{4}{5} x > 3 (\frac{1}{5} x - 1) + 4$
24821	Resolva para x	-8/7y>12	$- \frac{8}{7} y > 12$
24822	Resolva para x	(88+91+x)/3=90	$\frac{88 + 91 + x}{3} = 90$
24823	Resolva para x	f/2-22<48	$\frac{f}{2} - 22 < 48$
24824	Resolva para x	k/3<3	$\frac{k}{3} < 3$
24825	Resolva para x	base logarithmique 2 de x+1< base logarithmique 2 de 6-2x	$\log_{2} (x + 1) < \log_{2} (6 - 2 x)$
24826	Resolva para x	base logarithmique b de 7=1/4 , base logarithmique b de 49	$\log_{b} (7) = \frac{1}{4}$ , $\log_{b} (49)$
24827	Resolva para x	n^2+2n<24	$n^{2} + 2 n < 24$
24828	Resolva para x	pi/12=(x(11pi))/12	$\frac{π}{12} = \frac{x (11 π)}{12}$
24829	Resolva para x	racine carrée de a^2+c^2- racine carrée de a^2+b^2<c-b	$\sqrt{a^{2} + c^{2}} - \sqrt{a^{2} + b^{2}} < c - b$
24830	Resolva para x	x^2+13x+40<0	$x^{2} + 13 x + 40 < 0$
24831	Resolva para x	-x^2+5x+36<0	$- x^{2} + 5 x + 36 < 0$
24832	Resolva para x	x^2+7x-6=0	$x^{2} + 7 x - 6 = 0$
24833	Resolva para x	x^2-11x+24>0	$x^{2} - 11 x + 24 > 0$
24834	Resolva para x	x^2-16x>-60	$x^{2} - 16 x > - 60$
24835	Resolva para x	x^2-4x+3=8	$x^{2} - 4 x + 3 = 8$
24836	Resolva para x	x^2-5x=-4	$x^{2} - 5 x = - 4$
24837	Resolva para x	x^3+4x^2-45x>0	$x^{3} + 4 x^{2} - 45 x > 0$
24838	Resolva para x	x^3+6x^2-x-6=0	$x^{3} + 6 x^{2} - x - 6 = 0$
24839	Resolva para x	(x+16)/(x-2)=7	$\frac{x + 16}{x - 2} = 7$
24840	Resolva para x	(x-7)/(x-10)>3	$\frac{x - 7}{x - 10} > 3$
24841	Resolva para x	(x-9)/(x+6)>0	$\frac{x - 9}{x + 6} > 0$
24842	Resolva para x	10+2x-10>-20-10	$10 + 2 x - 10 > - 20 - 10$
24843	Resolva para x	102-x<44	$102 - x < 44$
24844	Resolva para x	-10-3x=7(-7x+5)	$- 10 - 3 x = 7 (- 7 x + 5)$
24845	Resolva para x	12x+22y=16	$12 x + 22 y = 16$
24846	Resolva para x	13-2x=5-4x	$13 - 2 x = 5 - 4 x$
24847	Resolva para x	13x=2x^2-24	$13 x = 2 x^{2} - 24$
24848	Resolva para x	15d=135	$15 d = 135$
24849	Resolva para x	15v>60	$15 v > 60$
24850	Resolva para x	-16x^2+32x-12>0	$- 16 x^{2} + 32 x - 12 > 0$
24851	Resolva para x	17-5x=3x+3	$17 - 5 x = 3 x + 3$
24852	Resolva para x	xy>4	$x y > 4$
24853	Resolva para x	(2x-1)(3x+2)=0	$(2 x - 1) (3 x + 2) = 0$
24854	Resolva para x	(sin(x))(cos(x))>0	$(\sin (x)) (\cos (x)) > 0$
24855	Resolva para x	(x+2)(x-2)(x-7)<0	$(x + 2) (x - 2) (x - 7) < 0$
24856	Resolva para x	(x+5)(x-6)=0	$(x + 5) (x - 6) = 0$
24857	Resolva para x	(x-2)(x-6)>0	$(x - 2) (x - 6) > 0$
24858	Resolva para x	(x-3)(x+6)<0	$(x - 3) (x + 6) < 0$
24859	Resolva para x	(x-5)x>0	$(x - 5) x > 0$
24860	Resolva para x	(x-7)(x-1)=0	$(x - 7) (x - 1) = 0$
24861	Resolva para x	(x-7)x=0	$(x - 7) x = 0$
24862	Resolva para x	(3x-2)<-8	$(3 x - 2) < - 8$
24863	Resolva para x	(x-8.1)=1.4	$(x - 8.1) = 1.4$
24864	Resolva para x	(1/16)^(3x-4)=64^(x-1)	${(\frac{1}{16})}^{3 x - 4} = 64^{x - 1}$
24865	Resolva para x	(1/16)^x<2	${(\frac{1}{16})}^{x} < 2$
24866	Resolva para x	((x-1)(3-x))/((x-2)^2)>0	$\frac{(x - 1) (3 - x)}{{(x - 2)}^{2}} > 0$
24867	Resolva para x	\|x/2-1\|>5	$\| \frac{x}{2} - 1 \| > 5$
24868	Resolva para x	\|x/4+8\|=6	$\| \frac{x}{4} + 8 \| = 6$
24869	Resolva para x	\|1-2y\|=5	$\| 1 - 2 y \| = 5$
24870	Resolva para x	\|2-3x\|=4	$\| 2 - 3 x \| = 4$
24871	Resolva para x	\|2x+10\|<26	$\| 2 x + 10 \| < 26$
24872	Resolva para x	\|2x-10\|=6	$\| 2 x - 10 \| = 6$
24873	Resolva para x	\|-2x-6\|=10	$\| - 2 x - 6 \| = 10$
24874	Resolva para x	\|3w+1\|-4<7	$\| 3 w + 1 \| - 4 < 7$
24875	Resolva para x	\|3x+9\|=15	$\| 3 x + 9 \| = 15$
24876	Resolva para x	\|3x-4\|=5	$\| 3 x - 4 \| = 5$
24877	Simplifier	sin(x)^2+sin(x)^2cot(x)^2	$\sin^{2} (x) + \sin^{2} (x) \cot^{2} (x)$
24878	Resolva para x	logarithme de (50x)/(x+2)<2	$\log (\frac{50 x}{x + 2}) < 2$
24879	Resolva para x	sec(x)=9sec(x)<0	$\sec (x) = 9 \sec (x) < 0$
24880	Évaluer	sec(-90)	$\sec (- 90)$
24881	Resolva para @VAR	sin(a)cos(a)=-1/2	$\sin (a) \cos (a) = - \frac{1}{2}$
24882	Resolva para x	sin(x)-cos(x)>0	$\sin (x) - \cos (x) > 0$
24883	Resolva para x	5x-6<7x+4	$5 x - 6 < 7 x + 4$
24884	Resolva para x	6x-21=-3	$6 x - 21 = - 3$
24885	Resolva para x	9(x+1)-6=5x+7	$9 (x + 1) - 6 = 5 x + 7$
24886	Resolva para x	4*(cos(1/2)(x-pi))-1=2	$4 \cdot (\cos (\frac{1}{2}) (x - π)) - 1 = 2$
24887	Trouver la fonction réciproque	y=-sin(x)	$y = - \sin (x)$
24888	Trouver la fonction réciproque	y=sin(x)+3	$y = \sin (x) + 3$
24889	Trouver la fonction réciproque	y=sin(x+1)	$y = \sin (x + 1)$
24890	Trouver la fonction réciproque	y=sin(x+90)	$y = \sin (x + 90)$
24891	Trouver la fonction réciproque	y=tan(-3/4x)	$y = \tan (- \frac{3}{4} x)$
24892	Convertir les degrés, minutes, secondes en degrés décimaux	15'	$15'$
24893	Convertir les degrés, minutes, secondes en degrés décimaux	299 degrés	$299 °$
24894	Convertir les degrés, minutes, secondes en degrés décimaux	55''	$55''$
24895	Convertir les degrés, minutes, secondes en degrés décimaux	63 degrés	$63 °$
24896	Évaluer	sin(arctan(-8))	$\sin (\arctan (- 8))$
24897	Resolva para x	(2cos(x)-3sin(x)^2)=13	$(2 \cos (x) - 3 \sin^{2} (x)) = 13$
24898	Resolva para x	(3x-1)(x-1)<7	$(3 x - 1) (x - 1) < 7$
24899	Resolva para x	\|2x-9\|+7=1	$\| 2 x - 9 \| + 7 = 1$
24900	Resolva para @VAR	\|a-5\|=3	$\| a - 5 \| = 3$