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Question Number 164788 Answers: 1 Comments: 0

Question Number 164787 Answers: 2 Comments: 0

Question Number 164786 Answers: 1 Comments: 0

Question Number 164783 Answers: 1 Comments: 0

Question Number 164770 Answers: 2 Comments: 0

{ ((f(3x−1)+g(6x−1)=3x)),((f(x+1)+x g(2x+3)=2x^2 +x)) :} f(x)=?

$$\begin{cases}{{f}\left(\mathrm{3}{x}−\mathrm{1}\right)+{g}\left(\mathrm{6}{x}−\mathrm{1}\right)=\mathrm{3}{x}}\\{{f}\left({x}+\mathrm{1}\right)+{x}\:{g}\left(\mathrm{2}{x}+\mathrm{3}\right)=\mathrm{2}{x}^{\mathrm{2}} +{x}}\end{cases} \\ $$$$\:{f}\left({x}\right)=? \\ $$

Question Number 164760 Answers: 2 Comments: 0

tan193=k cos167=?

$${tan}\mathrm{193}={k} \\ $$$${cos}\mathrm{167}=? \\ $$

Question Number 164758 Answers: 1 Comments: 0

tan22=(2/5) ((sin112+sin202)/(cos(−68)))=?

$${tan}\mathrm{22}=\frac{\mathrm{2}}{\mathrm{5}} \\ $$$$\frac{{sin}\mathrm{112}+{sin}\mathrm{202}}{{cos}\left(−\mathrm{68}\right)}=? \\ $$

Question Number 164757 Answers: 0 Comments: 1

cos α=(2/3) sin((π/2)+α)−3sin^2 (((7π)/2)+α)−2cos(5π+α)=?

$$\mathrm{cos}\:\alpha=\frac{\mathrm{2}}{\mathrm{3}} \\ $$$${sin}\left(\frac{\pi}{\mathrm{2}}+\alpha\right)−\mathrm{3}{sin}^{\mathrm{2}} \left(\frac{\mathrm{7}\pi}{\mathrm{2}}+\alpha\right)−\mathrm{2}{cos}\left(\mathrm{5}\pi+\alpha\right)=? \\ $$

Question Number 164753 Answers: 1 Comments: 0

Question Number 164748 Answers: 0 Comments: 2

Question Number 164747 Answers: 1 Comments: 0

faind (dy/dx) sin^(−1) (xy)=csc^(−1) (x−y)

$${faind}\:\:\frac{{dy}}{{dx}} \\ $$$${sin}^{−\mathrm{1}} \left({xy}\right)={csc}^{−\mathrm{1}} \left({x}−{y}\right) \\ $$

Question Number 164738 Answers: 0 Comments: 2

Question Number 164720 Answers: 2 Comments: 0

tan3x=5tanx x=?

$${tan}\mathrm{3}{x}=\mathrm{5}{tanx} \\ $$$${x}=? \\ $$

Question Number 164719 Answers: 0 Comments: 0

Question Number 164716 Answers: 1 Comments: 0

find minimum value of f(x)=4sin 2x−5sin x−5cos x+6

$$\:\:\:{find}\:{minimum}\:{value}\:{of}\: \\ $$$$\:{f}\left({x}\right)=\mathrm{4sin}\:\mathrm{2}{x}−\mathrm{5sin}\:{x}−\mathrm{5cos}\:{x}+\mathrm{6} \\ $$

Question Number 164713 Answers: 0 Comments: 1

Question Number 164712 Answers: 1 Comments: 0

Question Number 164709 Answers: 1 Comments: 0

Question Number 164728 Answers: 3 Comments: 1

Question Number 164705 Answers: 2 Comments: 0

lim_(x→0) (((1^x +2^x +...+n^x )/n))^(1/x)

$$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\left(\frac{\mathrm{1}^{{x}} +\mathrm{2}^{{x}} +...+{n}^{{x}} }{{n}}\right)^{\frac{\mathrm{1}}{{x}}} \\ $$

Question Number 164703 Answers: 1 Comments: 0

Question Number 164702 Answers: 1 Comments: 0

lim_(x→0) (((1^x +2^x +∙∙∙+n^x )/n))^(1/x) =?

$${li}\underset{{x}\rightarrow\mathrm{0}} {{m}}\left(\frac{\mathrm{1}^{{x}} +\mathrm{2}^{{x}} +\centerdot\centerdot\centerdot+{n}^{{x}} }{{n}}\right)^{\frac{\mathrm{1}}{{x}}} =? \\ $$

Question Number 164699 Answers: 0 Comments: 0

Question Number 164686 Answers: 1 Comments: 0

∫36x^2 (2x+3)^(−7) dx

$$\int\mathrm{36}\boldsymbol{{x}}^{\mathrm{2}} \:\left(\mathrm{2}\boldsymbol{{x}}+\mathrm{3}\right)^{−\mathrm{7}} \:\boldsymbol{{dx}} \\ $$$$\: \\ $$

Question Number 164685 Answers: 1 Comments: 0

∫4x^2 (1−x)^3 dx

$$\int\mathrm{4}\boldsymbol{{x}}^{\mathrm{2}} \:\left(\mathrm{1}−\boldsymbol{{x}}\right)^{\mathrm{3}} \:\boldsymbol{{dx}} \\ $$

Question Number 164684 Answers: 1 Comments: 0

∫24(2x−1)^(−3) dx

$$\int\mathrm{24}\left(\mathrm{2}\boldsymbol{{x}}−\mathrm{1}\right)^{−\mathrm{3}} \:\boldsymbol{{dx}} \\ $$

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