Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
13701	求解x	10cos(x)^2+11cos(x)+3=0	$10 \cos^{2} (x) + 11 \cos (x) + 3 = 0$
13702	求解x	10cos(x)^2+13cos(x)+4=0	$10 \cos^{2} (x) + 13 \cos (x) + 4 = 0$
13703	求解x	1000000=10000(x)^51	$1000000 = 10000 {(x)}^{51}$
13704	求解x	x^4-8x^2-9=0	$x^{4} - 8 x^{2} - 9 = 0$
13705	求解x	1.3+0.5x=-3.41	$1.3 + 0.5 x = - 3.41$
13706	求解x	1-(sin(x)+cos(x))^2=-sin(2x)	$1 - {(\sin (x) + \cos (x))}^{2} = - \sin (2 x)$
13707	求解x	15+(x+17)=33	$15 + (x + 17) = 33$
13708	求解x	14sin(x)^2+21sin(x)+7=0	$14 \sin^{2} (x) + 21 \sin (x) + 7 = 0$
13709	求解x	14tan(42)=x+2	$14 \tan (42) = x + 2$
13710	求解x	100=8+38 logaritmo naturale di x	$100 = 8 + 38 \ln (x)$
13711	求解x	1-2cos(x)=0	$1 - 2 \cos (x) = 0$
13712	求解x	12csc(x)=12	$12 \csc (x) = 12$
13713	求解x	1-2sin(x)=0	$1 - 2 \sin (x) = 0$
13714	求解x	12x+2+7x+7=180	$12 x + 2 + 7 x + 7 = 180$
13715	求解x	12sin(x)^2-13sin(x)+3=0	$12 \sin^{2} (x) - 13 \sin (x) + 3 = 0$
13716	求解x	x^2+120=(3x+20)^2	$x^{2} + 120 = {(3 x + 20)}^{2}$
13717	求解x	x^2+5^2=13^2	$x^{2} + 5^{2} = 13^{2}$
13718	求解x	x^(4/5)=16	$x^{\frac{4}{5}} = 16$
13719	求解x	x/(x+4)-1/(4-x)=7/(x-4)	$\frac{x}{x + 4} - \frac{1}{4 - x} = \frac{7}{x - 4}$
13720	求解x	x/(x+4)=11/(x^2-16)+2	$\frac{x}{x + 4} = \frac{11}{x^{2} - 16} + 2$
13721	求解x	x^2+12^2=13^2	$x^{2} + 12^{2} = 13^{2}$
13722	求解x	x^2+7x-60=0	$x^{2} + 7 x - 60 = 0$
13723	求解x	x^2=-1	$x^{2} = - 1$
13724	求解x	x^2=31	$x^{2} = 31$
13725	求解x	x^2=4i	$x^{2} = 4 i$
13726	求解x	radice quadrata di 7sin(x)+ radice quadrata di 21cos(x)=ksin(x+x)	$\sqrt{7} \sin (x) + \sqrt{21} \cos (x) =$ ksin $(x + x)$
13727	求解x	radice quadrata di 5x-2=2 radice quadrata di 2x-5	$\sqrt{5 x - 2} = 2 \sqrt{2 x - 5}$
13728	求解x	radice quadrata di 7x+53-11=-6	$\sqrt{7 x + 53} - 11 = - 6$
13729	求解x	radice quadrata di 9-x=x+3	$\sqrt{9 - x} = x + 3$
13730	求解x	radice quadrata del logaritmo di x = logaritmo della radice quadrata di x	$\sqrt{\log (x)} = \log (\sqrt{x})$
13731	求解x	radice quadrata di x+2-15=-3	$\sqrt{x + 2} - 15 = - 3$
13732	求解x	radice quadrata di x-5=4	$\sqrt{x - 5} = 4$
13733	求解x	2x^2-5x+k=0	$2 x^{2} - 5 x + k = 0$
13734	求解x	27=(x-2)^(3/4)	$27 = {(x - 2)}^{\frac{3}{4}}$
13735	求解x	2=tan(x)(5)	$2 = \tan (x) (5)$
13736	求解x	27=9^(x+2)	$27 = 9^{x + 2}$
13737	求解x	250=(2pi)/x	$250 = \frac{2 π}{x}$
13738	求解x	2sin(x-1)^2=0	$2 \sin^{2} (x - 1) = 0$
13739	求解x	2cos(2x)+ radice quadrata di 3=0	$2 \cos (2 x) + \sqrt{3} = 0$
13740	求解x	2arccos(x+2)arccos(x)=0	$2 \arccos (x + 2) \arccos (x) = 0$
13741	求解x	2cos(1/2x)- radice quadrata di 2=0	$2 \cos (\frac{1}{2} x) - \sqrt{2} = 0$
13742	求解x	2cos(x/2)=1	$2 \cos (\frac{x}{2}) = 1$
13743	求解x	2cos(2x) = square root of 3	$2 \cos (2 x) = \sqrt{3}$
13744	求解x	2cos(2x)-5=8sin(x)	$2 \cos (2 x) - 5 = 8 \sin (x)$
13745	求解x	2cos(2x-pi/3)=1	$2 \cos (2 x - \frac{π}{3}) = 1$
13746	求解x	2cos(3x)=- radice quadrata di 2	$2 \cos (3 x) = - \sqrt{2}$
13747	求解x	2cos(2x+pi/6) = square root of 3	$2 \cos (2 x + \frac{π}{6}) = \sqrt{3}$
13748	求解x	2cos(x)+sec(x)=3	$2 \cos (x) + \sec (x) = 3$
13749	求解x	2cos(x+45)=1	$2 \cos (x + 45) = 1$
13750	求解x	2csc(2x)-cot(x)=tan(x)	$2 \csc (2 x) - \cot (x) = \tan (x)$
13751	求解x	2 logaritmo naturale della radice quadrata di x- logaritmo naturale di 1-x=2	$2 \ln (\sqrt{x}) - \ln (1 - x) = 2$
13752	求解x	2cos(x- radice quadrata di 2)=0	$2 \cos (x - \sqrt{2}) = 0$
13753	求解x	2cos(x)tan(x)+ radice quadrata di 3tan(x)=0	$2 \cos (x) \tan (x) + \sqrt{3} \tan (x) = 0$
13754	求解x	2cos(x)tan(x)csc(x)=2	$2 \cos (x) \tan (x) \csc (x) = 2$
13755	求解x	2cos(x)-3tan(x)=0	$2 \cos (x) - 3 \tan (x) = 0$
13756	求解x	2cos(x)sin(x)+sin(x)=0	$2 \cos (x) \sin (x) + \sin (x) = 0$
13757	求解x	2cos(x- radice quadrata di 3)=0	$2 \cos (x - \sqrt{3}) = 0$
13758	求解x	-2cos(x)=1	$- 2 \cos (x) = 1$
13759	求解x	2cos(x)=sec(x)	$2 \cos (x) = \sec (x)$
13760	求解x	2cos(x)-1=-0.7222	$2 \cos (x) - 1 = - 0.7222$
13761	求解x	2cos(x)+3=sin(x)^2	$2 \cos (x) + 3 = \sin^{2} (x)$
13762	求解x	2cos(3x)+ radice quadrata di 3=0	$2 \cos (3 x) + \sqrt{3} = 0$
13763	求解x	2cos(3x-1/6*pi) = square root of 3	$2 \cos (3 x - \frac{1}{6} \cdot π) = \sqrt{3}$
13764	求解x	2cos(3x)=-1	$2 \cos (3 x) = - 1$
13765	求解x	2cos(3x)-1=0	$2 \cos (3 x) - 1 = 0$
13766	求解x	2 logaritmo naturale di x=4	$2 \ln (x) = 4$
13767	求解x	2i-5=1-x-yi	$2 i - 5 = 1 - x - y i$
13768	求解x	2 logaritmo di 4x-4=3	$2 \log (4 x - 4) = 3$
13769	求解x	2 logaritmo di 50=3 logaritmo di 25+ logaritmo di x-2	$2 \log (50) = 3 \log (25) + \log (x - 2)$
13770	求解x	2p=kx-q	$2 p = k x - q$
13771	求解x	2sec(x)csc(x)=4csc(x)	$2 \sec (x) \csc (x) = 4 \csc (x)$
13772	求解x	2sin(x/2)-1=0	$2 \sin (\frac{x}{2}) - 1 = 0$
13773	求解x	2px=p	$2 p x = p$
13774	求解x	2sin(x/3)-1=0	$2 \sin (\frac{x}{3}) - 1 = 0$
13775	求解x	2sin(x/4)+ radice quadrata di 3=0	$2 \sin (\frac{x}{4}) + \sqrt{3} = 0$
13776	求解x	2sin(2x)=-tan(2x)	$2 \sin (2 x) = - \tan (2 x)$
13777	求解x	2sin(2x)-3sin(x)=0	$2 \sin (2 x) - 3 \sin (x) = 0$
13778	求解x	2sin(2x)=-1	$2 \sin (2 x) = - 1$
13779	求解x	2sin(2x) = square root of 2	$2 \sin (2 x) = \sqrt{2}$
13780	求解x	2sin(2x)=- radice quadrata di 2	$2 \sin (2 x) = - \sqrt{2}$
13781	求解x	2cos(h(2x))-sin(h(2x))=2	$2 \cosh (2 x) - \sinh (2 x) = 2$
13782	求解x	2sin(4x)- radice quadrata di 3=0	$2 \sin (4 x) - \sqrt{3} = 0$
13783	求解x	2sin(x)+4=3	$2 \sin (x) + 4 = 3$
13784	求解x	2sin(x)+cot(x)=csc(x)	$2 \sin (x) + \cot (x) = \csc (x)$
13785	求解x	2sin(x)+cot(x)-csc(x)=0	$2 \sin (x) + \cot (x) - \csc (x) = 0$
13786	求解x	2sin(3x)=-1	$2 \sin (3 x) = - 1$
13787	求解x	2sin(2x-1)=0	$2 \sin (2 x - 1) = 0$
13788	求解x	2sin(3x) = square root of 2	$2 \sin (3 x) = \sqrt{2}$
13789	求解x	2sin(4x)-1=0	$2 \sin (4 x) - 1 = 0$
13790	求解x	2sin(7x)+1=0	$2 \sin (7 x) + 1 = 0$
13791	求解x	2sin(x)-2sin(x)^3-1/2=0	$2 \sin (x) - 2 \sin^{3} (x) - \frac{1}{2} = 0$
13792	求解x	2sin(x)cos(x) = square root of 2sin(x)	$2 \sin (x) \cos (x) = \sqrt{2} \sin (x)$
13793	求解x	2sin(x)cos(x)- radice quadrata di 3sin(x)-2cos(x)+ radice quadrata di 3=0	$2 \sin (x) \cos (x) - \sqrt{3} \sin (x) - 2 \cos (x) + \sqrt{3} = 0$
13794	求解x	2sin(x)cos(x)=tan(x)	$2 \sin (x) \cos (x) = \tan (x)$
13795	求解x	2sin(x)-tan(x)=0	$2 \sin (x) - \tan (x) = 0$
13796	求解x	2sin(x+pi/6)+1=0	$2 \sin (x + \frac{π}{6}) + 1 = 0$
13797	求解x	2sin(x+ radice quadrata di 2)=0	$2 \sin (x + \sqrt{2}) = 0$
13798	求解x	2sin(x)-sin(2x)=0	$2 \sin (x) - \sin (2 x) = 0$
13799	求解x	2sin(x- radice quadrata di 2)=0	$2 \sin (x - \sqrt{2}) = 0$
13800	求解x	3cot(x-1)^2=0	$3 \cot^{2} (x - 1) = 0$