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Category: Differentiation

1-x-1-x-1-x-1-x-differentiate-w-r-t-x-

Question Number 19859 by vivek last updated on 16/Aug/17 $$\frac{\sqrt{}\mathrm{1}+{x}−\sqrt{}\mathrm{1}−{x}}{\:\sqrt{}\mathrm{1}+{x}−\sqrt{}\mathrm{1}−{x}}\:\:\boldsymbol{{differentiate}}\:\boldsymbol{{w}}.\boldsymbol{{r}}.\boldsymbol{{t}}\:\boldsymbol{{x}} \\ $$ Commented by giridhar.mathmania last updated on 17/Aug/17 $$\mathrm{function}\:\mathrm{to}\:\mathrm{be}\:\mathrm{differentiated}\:\mathrm{is}\:\mathrm{1}. \\ $$$$\mathrm{hence}\:\mathrm{its}\:\mathrm{differential}\:\mathrm{is}\:\mathrm{0}. \\ $$ Terms…

log-e-1-cox-1-cosx-differentiate-w-r-t-x-

Question Number 19860 by vivek last updated on 16/Aug/17 $$\mathrm{log}_{{e}} \sqrt{\frac{\mathrm{1}−{cox}}{\mathrm{1}+{cosx}}\:\:\boldsymbol{{differentiate}}\:\boldsymbol{{w}}.\boldsymbol{{r}}.\boldsymbol{{t}}\:\boldsymbol{{x}}} \\ $$ Answered by myintkhaing last updated on 17/Aug/17 $$\frac{\mathrm{d}}{\mathrm{dx}}\:\left(\mathrm{log}_{\mathrm{e}} \:\frac{\mathrm{sin}\:\mathrm{x}}{\mathrm{1}+\mathrm{cos}\:\mathrm{x}}\right) \\ $$$$=\:\left(\frac{\mathrm{1}+\mathrm{cos}\:\mathrm{x}}{\mathrm{sin}\:\mathrm{x}}\right)\left(\frac{\left(\mathrm{1}+\mathrm{cos}\:\mathrm{x}\right)\mathrm{cos}\:\mathrm{x}−\mathrm{sin}\:\mathrm{x}\left(−\mathrm{sin}\:\mathrm{x}\right)}{\left(\mathrm{1}+\mathrm{cos}\:\mathrm{x}\right)^{\mathrm{2}} }\right)…

find-minimum-y-2-x-3-4x-2-

Question Number 85248 by jagoll last updated on 20/Mar/20 $$\mathrm{find}\:\mathrm{minimum} \\ $$$$\mathrm{y}\:=\:\mathrm{2}\mid\mathrm{x}−\mathrm{3}\mid\:+\:\mid\mathrm{4x}+\mathrm{2}\mid\: \\ $$ Commented by mr W last updated on 20/Mar/20 $${x}−\mathrm{3}=\mathrm{0}\:\Rightarrow{x}=\mathrm{3} \\ $$$$\mathrm{4}{x}+\mathrm{2}=\mathrm{0}\:\Rightarrow{x}=−\frac{\mathrm{1}}{\mathrm{2}}…

Prove-That-I-0-sin-x-cos-x-4-x-x-dx-1-32-2-2-1-pi-m-n-

Question Number 150749 by mnjuly1970 last updated on 15/Aug/21 $$ \\ $$$$\:\:\mathrm{Prove}\:\:\:\mathrm{That}\::: \\ $$$$ \\ $$$$\:\:\:\:\:\:\mathcal{I}\::=\:\int_{\mathrm{0}} ^{\:\infty} \:\frac{\left(\:{sin}\:\left({x}\:\right).{cos}\:\left({x}\:\right)\right)^{\:\mathrm{4}} }{{x}\:.\:\sqrt{{x}}\:}{dx}=\frac{\mathrm{1}}{\mathrm{32}}\:\left(\mathrm{2}\:\sqrt{\mathrm{2}}\:−\mathrm{1}\:\right)\sqrt{\:\pi}\:….\blacksquare\:\: \\ $$$$\:\:\:..{m}.{n}..\:\: \\ $$ Terms of…

find-the-n-th-derivative-of-function-y-sin-x-by-Leibniz-theorem-

Question Number 85169 by jagoll last updated on 19/Mar/20 $$\mathrm{find}\:\mathrm{the}\:\mathrm{n}^{\mathrm{th}} \:\mathrm{derivative}\:\mathrm{of}\:\mathrm{function} \\ $$$$\mathrm{y}\:=\:\sqrt{\mathrm{sin}\:\mathrm{x}}\:\mathrm{by}\:\mathrm{Leibniz}\:\mathrm{theorem} \\ $$ Commented by mr W last updated on 19/Mar/20 $${i}\:{don}'{t}\:{think}\:{Leibniz}\:{theorem}\:{helps} \\…

Solve-the-differential-equation-1-x-xy-2-dy-y-y-3-dx-

Question Number 85111 by niroj last updated on 19/Mar/20 $$\:\boldsymbol{\mathrm{Solve}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{differential}}\:\boldsymbol{\mathrm{equation}}: \\ $$$$\:\bigstar.\left(\mathrm{1}+\mathrm{x}+\mathrm{xy}^{\mathrm{2}} \right)\mathrm{dy}+\left(\mathrm{y}+\mathrm{y}^{\mathrm{3}} \right)\mathrm{dx} \\ $$$$\: \\ $$ Commented by jagoll last updated on 19/Mar/20…

The-function-f-x-e-x-x-being-differentiable-and-one-to-one-has-a-differentiable-inverse-f-1-x-The-value-of-d-dx-f-1-at-point-f-ln-2-is-

Question Number 150594 by liberty last updated on 13/Aug/21 $$\mathrm{The}\:\mathrm{function}\:\mathrm{f}\left(\mathrm{x}\right)=\mathrm{e}^{\mathrm{x}} +\mathrm{x}\:\mathrm{being} \\ $$$$\mathrm{differentiable}\:\mathrm{and}\:\mathrm{one}\:\mathrm{to}\:\mathrm{one}\:, \\ $$$$\mathrm{has}\:\mathrm{a}\:\mathrm{differentiable}\:\mathrm{inverse}\:\mathrm{f}^{−\mathrm{1}} \left(\mathrm{x}\right). \\ $$$$\mathrm{The}\:\mathrm{value}\:\mathrm{of}\:\frac{{d}}{{dx}}\:\left({f}^{−\mathrm{1}} \right)\:\mathrm{at}\:\mathrm{point}\: \\ $$$$\mathrm{f}\left(\mathrm{ln}\:\mathrm{2}\right)\:\mathrm{is}\:\_\_ \\ $$ Answered by…