Category: Differentiation

Question Number 127649 by mnjuly1970 last updated on 31/Dec/20 $$\dots nicecalculus\dots$$$$calculate::$$$$\mathrm{\varnothing }={\int }_0^{\mathrm{\infty }}arctan\left(\frac{1}{x}\right).sin\left(x\right)dx=?$$$$$$ Answered by mindispower last updated…

Question Number 62102 by rajesh4661kumar@gamil.com last updated on 15/Jun/19 Answered by Kunal12588 last updated on 15/Jun/19 $$\sqrt{1-x^6}+\sqrt{1-y^6}=9(x^3-y^3)$$$$\Rightarrow\frac{−\mathrm{6}{x}^{\mathrm{5}} }{\mathrm{2}\sqrt{\mathrm{1}−{x}^{\mathrm{6}} }}+\frac{−\mathrm{6}{y}^{\mathrm{5}}…

Question Number 127454 by snipers237 last updated on 29/Dec/20 $$\underset{n\to \mathrm{\infty }}{\lim }\underset{k=1}{\sum ^n}\frac{k!(n-k)!}{n!}=1$$ Answered by Ar Brandon last updated on 29/Dec/20 $$\forall\mathrm{n}\geqslant\mathrm{4},\:\forall\mathrm{k}\in\left\{\mathrm{2},…,\mathrm{n}−\mathrm{2}\right\},\overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{k}}…

Question Number 127452 by snipers237 last updated on 29/Dec/20 $$Leta\in {\mathbb{R}}^{\ast },\underset{n\to \mathrm{\infty }}{\lim }{(asin\left(\frac{1}{n^2}\right)+\frac{1}{a}cos\left(n\right))}^n=0$$ Answered by Ar Brandon last updated on 29/Dec/20 $$\mathrm{u}_{\mathrm{n}}…

Question Number 61807 by bshahid010@gmail.com last updated on 09/Jun/19 Terms of Service Privacy Policy Contact: info@tinkutara.com