Câu hỏi theo thẻ

1
phiếu
1đáp án
1K lượt xem

tính tích phân

$\int\limits_{\pi /6}^{\pi / 2}\frac{sin x + cos x}{( e^xsinx +1)sinx}dx$
1
phiếu
1đáp án
1K lượt xem

Tính tích phân:

$\int\limits_{0}^{4}\frac{1}{\sqrt[3]{(2x+1)^2+\sqrt{2x+1}}}$dx
2
phiếu
3đáp án
3K lượt xem

giup minh voi

$\int\limits_{0}^{2}\frac{x^{2}.e^{x}}{(x+2)^{2}}dx$$\int\limits_{-1}^{0}\frac{dx}{x^{2}+2x+4}$$\int\limits_{1}^{2}\frac{dx}{x\sqrt{x^{3}+1}}$
2
phiếu
2đáp án
2K lượt xem

tính tích phân

$\int\limits_{2}^{6}$$\frac{dx}{2x+1+\sqrt{4x+1}}$
1
phiếu
1đáp án
1K lượt xem

giup minh bai tich phan voi

tính tích phân : $I=\int\limits_{0}^{ln2}\frac{e^xdx}{e^{2x}-9}$
1
phiếu
1đáp án
1K lượt xem

giúp với

$\int\limits_{0}^{\pi }cosx\sqrt[3]{\frac{sin5x}{sin3x}}dx$
0
phiếu
1đáp án
1K lượt xem

giup minh voi

$\int\limits_{0}^{\frac{\pi }{4}}\frac{cos(x-\frac{\pi }{4})}{4-3cosx}dx$
1
phiếu
3đáp án
3K lượt xem

tích phân hay.

$2/ \int\limits_{0}^{\pi}\frac{sinx.dx}{(sinx+\sqrt{3}cosx)^3}$
1
phiếu
2đáp án
2K lượt xem

Tích phân

$\int\limits_{\dfrac{-\pi }{4}}^{\dfrac{\pi }{4}}\dfrac{sinx}{\sqrt{x^{2}+1}+x }dx$$\int\limits_{-1}^{0}\frac{xln(x+2)}{\sqrt{4-x^{2}} }dx$
1
phiếu
2đáp án
1K lượt xem

Tích phân

$1/ \int\limits_{0}^{\pi/6}\frac{xsinx}{1+2cos2x}dx$$2/ \int\limits_{0}^{\pi/2}\frac{cos^2x}{3sinx+4cosx}dx$$3/ \int\limits_{1}^{e}\frac{1+x^2lnx}{x+x^2lnx}dx$
2
phiếu
3đáp án
3K lượt xem

Tích phân

$1/ \int\limits_{0}^{\pi}\frac{x}{sinx+1}dx$$2/ \int\limits_{2}^{6}\frac{dx}{2x+1+\sqrt{4x+1}}$$3/ \int\limits_{0}^{\pi/4}tanxtan(x+\frac{\pi}{3})tan(x-\frac{\pi}{3})dx$
1
phiếu
1đáp án
1K lượt xem

m.n giúp với

\[\int\limits_{\frac{\pi }{6}}^{\frac{\pi }{4}} {\frac{{{{\cos }^2}x}}{{{{\sin }^3}x.\sin (x - \frac{\pi }{4})}}} dx\]
1
phiếu
1đáp án
1K lượt xem

giúp mình bài này với.

$1/ \int\limits_{0}^{3ln2}\frac{1}{(\sqrt[3]{e^x}+2)^2}dx$$2/ \int\limits_{0}^{1}xln(x^2+x+1)dx$
1
phiếu
2đáp án
2K lượt xem

Tích phân 12

$1/ \int\limits_{\pi/3}^{\pi/2}\frac{3x.cosx+2}{1+cot^2x}dx$$2/ \int\limits_{1}^{e}\frac{lnx-2}{xlnx+x}dx$$3/ \int\limits_{0}^{\pi/4}\frac{3cos2x-sin2x+2}{3sin2x+cos2x+3}dx$
1
phiếu
3đáp án
3K lượt xem

Tích phân

$1/ \int\limits_{ln3}^{ln5}\frac{dx}{e^x-2e^{-x}+3}$$2/ \int\limits_{1}^{e}\frac{1+x(2lnx-1)}{x(x+1)^2}dx$$3/ \int\limits_{\frac{2\sqrt{3}-3}{2}}^{\frac{-1}{2}}\frac{dx}{4x^2+12x+13}$

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