Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
9201	Resolva para x	sin(x+pi/4)=( racine carrée de 3)/2	$\sin (x + \frac{π}{4}) = \frac{\sqrt{3}}{2}$
9202	Resolva para x	sin(x)tan(x)=5tan(x)	$\sin (x) \tan (x) = 5 \tan (x)$
9203	Resolva para x	sin(x+pi/2)-sin(x-pi/2) = square root of 2	$\sin (x + \frac{π}{2}) - \sin (x - \frac{π}{2}) = \sqrt{2}$
9204	Resolva para x	sin(x+pi/3)=1/2	$\sin (x + \frac{π}{3}) = \frac{1}{2}$
9205	Resolva para x	sin(x)cos(x)-sin(x)=0	$\sin (x) \cos (x) - \sin (x) = 0$
9206	Resolva para x	sin(x+pi/4)-sin(x-pi/4)=1	$\sin (x + \frac{π}{4}) - \sin (x - \frac{π}{4}) = 1$
9207	Resolva para x	sin(x+ racine carrée de 2)=-sin(x)	$\sin (x + \sqrt{2}) = - \sin (x)$
9208	Resolva para x	\|(5x+2)/(x-1)\|=3	$\| \frac{5 x + 2}{x - 1} \| = 3$
9209	Resolva para x	tan(2x)=tan(x)	$\tan (2 x) = \tan (x)$
9210	Resolva para x	tan(3x)(tan(x-1))=0	$\tan (3 x) (\tan (x - 1)) = 0$
9211	Resolva para x	tan(35)=x/200	$\tan (35) = \frac{x}{200}$
9212	Resolva para x	tan(3x)=- racine carrée de 3	$\tan (3 x) = - \sqrt{3}$
9213	Resolva para x	tan(x)=-1/2	$\tan (x) = - \frac{1}{2}$
9214	Resolva para x	tan(70)=x/120	$\tan (70) = \frac{x}{120}$
9215	Resolva para x	tan(x)=2csc(x)	$\tan (x) = 2 \csc (x)$
9216	Resolva para x	tan(x)=2.4	$\tan (x) = 2.4$
9217	Resolva para x	tan(x)=-4/3	$\tan (x) = - \frac{4}{3}$
9218	Resolva para X	tan(X)cos(X)=cos(X)	$\tan (X) \cos (X) = \cos (X)$
9219	Resolva para x	tan(x)=5	$\tan (x) = 5$
9220	Resolva para x	tan(x)sec(x)-2tan(x)=0	$\tan (x) \sec (x) - 2 \tan (x) = 0$
9221	Resolva para x	tan(x-pi/2)=-cot(x)	$\tan (x - \frac{π}{2}) = - \cot (x)$
9222	Resolva para x	1/2x^2-x-2=0	$\frac{1}{2} x^{2} - x - 2 = 0$
9223	Resolva para x	x(3x^2-10x+8)=0	$x (3 x^{2} - 10 x + 8) = 0$
9224	Resolva para x	x-3/9=x+3/5	$x - \frac{3}{9} = x + \frac{3}{5}$
9225	Resolva para x	x base logarithmique 5 de 8=8	$x \log_{5} (8) = 8$
9226	Resolva para x	x(x^2-6x+9)=0	$x (x^{2} - 6 x + 9) = 0$
9227	Resolva para x	x(a-b)=m(x-c)	$x (a - b) = m (x - c)$
9228	Resolva para x	x+pi/3=(3pi)/4+2npi	$x + \frac{π}{3} = \frac{3 π}{4} + 2 n π$
9229	Resolva para X	X-1/4X-1/3X-10=0	$X - \frac{1}{4} X - \frac{1}{3} X - 10 = 0$
9230	Resolva para x	x-1/4x-1/3x-5=0	$x - \frac{1}{4} x - \frac{1}{3} x - 5 = 0$
9231	Resolva para x	x- racine carrée de x-12=0	$x - \sqrt{x} - 12 = 0$
9232	Resolva para x	x- racine carrée de x+11=1	$x - \sqrt{x + 11} = 1$
9233	Resolva para x	x-y^2=0	$x - y^{2} = 0$
9234	Resolva para x	x+(x+1)+(x+2)=117	$x + (x + 1) + (x + 2) = 117$
9235	Resolva para x	x+5=15/x	$x + 5 = \frac{15}{x}$
9236	Resolva para x	x+4y=35	$x + 4 y = 35$
9237	Resolva para x	x=(-0.8+ racine carrée de 0.8^2-4-0.015.4)/(2(-0.01))	$x = \frac{- 0.8 + \sqrt{{0.8}^{2} - 4 \cdot - 0.01 \cdot 5.4}}{2 (- 0.01)}$
9238	Resolva para x	x+y=25	$x + y = 25$
9239	Resolva para x	x=3/x+1/2	$x = \frac{3}{x} + \frac{1}{2}$
9240	Resolva para x	x=(-2.7-v((2.7)^2*(4(-0.05)(5.8))))/(2(-0.05))	$x = \frac{- 2.7 - v ({(2.7)}^{2} \cdot (4 (- 0.05) (5.8)))}{2 (- 0.05)}$
9241	Resolva para x	x=1/10*((3(10)-7)/(2(10)+9))	$x = \frac{1}{10} \cdot (\frac{3 (10) - 7}{2 (10) + 9})$
9242	Resolva para x	x=25/x	$x = \frac{25}{x}$
9243	Resolva para x	x=6^( base logarithmique 6 de 26)	$x = 6^{\log_{6} (26)}$
9244	Resolva para x	x=4cos(pi/4)^2	$x = 4 \cos^{2} (\frac{π}{4})$
9245	Resolva para x	x=cos(29/3*pi)	$x = \cos (\frac{29}{3} \cdot π)$
9246	Resolva para x	x=y^2-1	$x = y^{2} - 1$
9247	Resolva para x	x=12	$x = 12$
9248	Resolva para x	x=3+ racine carrée de 5x-9	$x = 3 + \sqrt{5 x - 9}$
9249	Resolva para x	x=( logarithme de 24)/( logarithme de 5)	$x = \frac{\log (24)}{\log (5)}$
9250	Resolva para x	x=( logarithme népérien de 1.6)/0.075	$x = \frac{\ln (1.6)}{0.075}$
9251	Resolva para x	x=1-2/3	$x = 1 - \frac{2}{3}$
9252	Resolva para x	x=x^2-12	$x = x^{2} - 12$
9253	Resolva para x	8e^(3x)+3=10	$8 e^{3 x} + 3 = 10$
9254	Resolva para x	8sin(x)^2=4	$8 \sin^{2} (x) = 4$
9255	Resolva para x	8e^(2x)+8e^x=6	$8 e^{2 x} + 8 e^{x} = 6$
9256	Resolva para x	7sec(x)+9=-5	$7 \sec (x) + 9 = - 5$
9257	Resolva para x	8e^x=33	$8 e^{x} = 33$
9258	Resolva para x	7cos(x)=5cos(x)+ racine carrée de 3	$7 \cos (x) = 5 \cos (x) + \sqrt{3}$
9259	Resolva para x	7-2 logarithme népérien de x=5	$7 - 2 \ln (x) = 5$
9260	Resolva para x	7cos(6x)=3	$7 \cos (6 x) = 3$
9261	Resolva para x	7 logarithme népérien de 7x=14	$7 \ln (7 x) = 14$
9262	Resolva para x	8x^2+(x+3)^2=9	$8 x^{2} + {(x + 3)}^{2} = 9$
9263	Resolva para x	8x^3-27=0	$8 x^{3} - 27 = 0$
9264	Resolva para x	8+5 logarithme népérien de x=5	$8 + 5 \ln (x) = 5$
9265	Resolva para x	8x^(2/3)-71x^(1/3)-9=0	$8 x^{\frac{2}{3}} - 71 x^{\frac{1}{3}} - 9 = 0$
9266	Resolva para x	8=4^(x^2)*2^(5x)	$8 = 4^{x^{2}} \cdot 2^{5 x}$
9267	Resolva para x	81=3^(5x+14)	$81 = 3^{5 x + 14}$
9268	Resolva para x	8x-(3x+7)=23	$8 x - (3 x + 7) = 23$
9269	Resolva para x	9 base logarithmique 3 de 0.1x=17	$9 \log_{3} (0.1 x) = 17$
9270	Resolva para x	9e^x=22	$9 e^{x} = 22$
9271	Resolva para x	9e^x=25	$9 e^{x} = 25$
9272	Resolva para x	9x^2-7x+h=0	$9 x^{2} - 7 x + h = 0$
9273	Resolva para x	9x^3+9x^2-x-1=0	$9 x^{3} + 9 x^{2} - x - 1 = 0$
9274	Resolva para x	9x^2+9x=28	$9 x^{2} + 9 x = 28$
9275	Resolva para x	9(9^x)-10*3^x+1=0	$9 (9^{x}) - 10 \cdot 3^{x} + 1 = 0$
9276	Resolva para x	81=27^(x+1)	$81 = 27^{x + 1}$
9277	Resolva para x	81=27^(-x-5)	$81 = 27^{- x - 5}$
9278	Resolva para x	8sin(x)-8=-4	$8 \sin (x) - 8 = - 4$
9279	Resolva para x	8x-5y=3	$8 x - 5 y = 3$
9280	Resolva para x	9(5^x)=225	$9 (5^{x}) = 225$
9281	Resolva para x	9(x+1)^(1/2)-10(x+1)^(3/2)+(x+1)^(5/2)=0	$9 {(x + 1)}^{\frac{1}{2}} - 10 {(x + 1)}^{\frac{3}{2}} + {(x + 1)}^{\frac{5}{2}} = 0$
9282	Resolva para x	9x^3-12x^2-8x-1=0	$9 x^{3} - 12 x^{2} - 8 x - 1 = 0$
9283	Resolva para x	9=e^(x^2)	$9 = e^{x^{2}}$
9284	Resolva para x	9x+2=0	$9 x + 2 = 0$
9285	Resolva para x	7\|2x-7\|=7	$7 \| 2 x - 7 \| = 7$
9286	Resolva para x	7cos(x)^3=7cos(x)	$7 \cos^{3} (x) = 7 \cos (x)$
9287	Resolva para x	6x-7 racine carrée de x-3=0	$6 x - 7 \sqrt{x} - 3 = 0$
9288	Resolva para x	6x=216	$6 x = 216$
9289	Resolva para x	6sin(x)=-6	$6 \sin (x) = - 6$
9290	Resolva para x	6x-11 racine carrée de x+4=0	$6 x - 11 \sqrt{x} + 4 = 0$
9291	Resolva para x	5 logarithme népérien de 3x=14	$5 \ln (3 x) = 14$
9292	Resolva para x	6 logarithme népérien de 2x+6=36	$6 \ln (2 x) + 6 = 36$
9293	Resolva para x	6 logarithme népérien de 6x=17	$6 \ln (6 x) = 17$
9294	Resolva para x	6 logarithme népérien de x+2-3=21	$6 \ln (x + 2) - 3 = 21$
9295	Resolva para x	6tan(x)+4=5(1+tan(x))	$6 \tan (x) + 4 = 5 (1 + \tan (x))$
9296	Resolva para x	-6x+0=39	$- 6 x + 0 = 39$
9297	Resolva para x	61000=32000e^(0.0675x)	$61000 = 32000 e^{0.0675 x}$
9298	Resolva para x	64*16^(-3x)=16^(3x-2)	$64 \cdot 16^{- 3 x} = 16^{3 x - 2}$
9299	Resolva para x	64x^-4-20x^-2+1=0	$64 x^{- 4} - 20 x^{- 2} + 1 = 0$
9300	Resolva para X	78=90/(1+271e^(-0.122X))	$78 = \frac{90}{1 + 271 e^{- 0.122 X}}$