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Question Number 87009 Answers: 2 Comments: 0
$${solve} \\ $$$$\mathrm{7}\lfloor{x}+\mathrm{3}\rfloor^{\mathrm{2}} −\mathrm{3}\lfloor{x}\rfloor+\mathrm{6}=\mathrm{5}\:{mod}\:\mathrm{11} \\ $$
Question Number 86998 Answers: 1 Comments: 0
$$\int\frac{\mathrm{6}{e}^{{x}} }{{e}^{\mathrm{2}{x}} −\mathrm{1}}\:{dx} \\ $$
Question Number 86995 Answers: 1 Comments: 0
$$\int_{\mathrm{0}} ^{\pi} \frac{{a}^{{n}} {sin}^{\mathrm{2}} \left({x}\right)+{b}^{{n}} {cos}^{\mathrm{2}} \left({x}\right)}{{a}^{\mathrm{2}{n}} {sin}^{\mathrm{2}} \left({x}\right)+{b}^{\mathrm{2}{n}} {cos}^{\mathrm{2}} \left({x}\right)}{dx}\:;\:{a}>{b} \\ $$
Question Number 86994 Answers: 0 Comments: 0
Question Number 86993 Answers: 1 Comments: 1
Question Number 86987 Answers: 0 Comments: 1
Question Number 86983 Answers: 1 Comments: 4
$$\left.\mathrm{1}\right)\:{calculate}\:\int\:\:\frac{{dx}}{\left({x}+\mathrm{1}\right)^{\mathrm{3}} \left({x}−\mathrm{2}\right)^{\mathrm{3}} } \\ $$$$\left.\mathrm{2}\right)\:{decompose}\:{the}\:{fraction}\:{F}\left({x}\right)=\frac{\mathrm{1}}{\left({x}+\mathrm{1}\right)^{\mathrm{3}} \left({x}−\mathrm{2}\right)^{\mathrm{3}} } \\ $$
Question Number 86966 Answers: 0 Comments: 1
Question Number 86965 Answers: 0 Comments: 0
Question Number 86963 Answers: 0 Comments: 0
$${calculate}\:\:{I}\:=\int\:\:{cos}^{\mathrm{4}} {x}\:{sh}^{\mathrm{2}} {x}\:{dx} \\ $$
Question Number 86962 Answers: 0 Comments: 0
$${calculste}\:\int_{\mathrm{0}} ^{\mathrm{1}} \:\:{x}^{\mathrm{2}} {ln}\left({x}\right){ln}\left(\mathrm{1}−{x}\right){dx} \\ $$
Question Number 86960 Answers: 0 Comments: 1
$${let}\:{the}\:{mstrice}\:{A}\:\:=\begin{pmatrix}{\mathrm{1}\:\:\:\:\:\:\:\:\:\:\:\mathrm{1}}\\{−\mathrm{1}\:\:\:\:\:\:\:\mathrm{0}}\end{pmatrix} \\ $$$$\left.\mathrm{1}\right){calculste}\:{A}^{{n}} \\ $$$$\left.\mathrm{2}\right)\:{find}\:\:{e}^{{A}} \:{and}\:{e}^{−{A}} \\ $$$$\left.\mathrm{3}\right){find}\:{sin}\left({A}\right)\:{and}\:{cis}\left({A}\right) \\ $$
Question Number 86958 Answers: 0 Comments: 1
$${calculate}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\frac{\left(−\mathrm{1}\right)^{{n}} }{{n}^{\mathrm{3}} \left({n}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$
Question Number 86957 Answers: 0 Comments: 2
$${find}\:\int\:\:{arctan}\left(\frac{\mathrm{1}−{u}}{\mathrm{1}+{u}}\right){du} \\ $$
Question Number 86956 Answers: 0 Comments: 3
$${find}\:\int\left(\mathrm{1}−\frac{\mathrm{1}}{{x}^{\mathrm{2}} }\right){arctan}\left(\mathrm{2}{x}\right){dx} \\ $$
Question Number 86955 Answers: 2 Comments: 1
$${find}\:\int\:\:\frac{{arctan}\left({x}\right)}{{x}}{dx} \\ $$
Question Number 86948 Answers: 0 Comments: 1
$$\frac{−{sin}\alpha+\mathrm{3}{cos}\alpha}{\mathrm{4}{cos}\alpha+\mathrm{3}{sin}\alpha} \\ $$$$ \\ $$$${tg}\alpha=−\mathrm{3} \\ $$$${pls}\:{help}\:{me}\:{sir} \\ $$
Question Number 86946 Answers: 0 Comments: 2
Question Number 86937 Answers: 0 Comments: 4
Question Number 86932 Answers: 1 Comments: 0
Question Number 86924 Answers: 1 Comments: 0
Question Number 86918 Answers: 0 Comments: 2
Question Number 86915 Answers: 0 Comments: 0
Question Number 86914 Answers: 0 Comments: 0
Question Number 86907 Answers: 1 Comments: 2
Question Number 86903 Answers: 0 Comments: 0
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