Question Number 139711 by bramlexs22 last updated on 30/Apr/21 $$\:\left[\mathrm{f}\left(\mathrm{x}\right)\right]^{\mathrm{2}} −\left[\mathrm{f}\left(−\mathrm{x}\right)\right]^{\mathrm{2}} =\mathrm{4x} \\ $$ Commented by mr W last updated on 30/Apr/21 $${f}\left({x}\right)=\frac{{x}}{{a}}+{a} \\ $$…
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Question Number 139710 by ajfour last updated on 30/Apr/21 $${If}\:\:\mathrm{3sin}\:{x}+\mathrm{5cos}\:{x}=\mathrm{5} \\ $$$${find}\:{value}\left({s}\right)\:{of}\:\:\mathrm{5sin}\:{x}−\mathrm{3cos}\:{x}. \\ $$ Answered by MJS_new last updated on 30/Apr/21 $$\mathrm{3sin}\:{x}\:+\mathrm{5cos}\:{x}\:=\mathrm{5} \\ $$$$\frac{\mathrm{3tan}\:{x}+\mathrm{5}}{\:\sqrt{\mathrm{1}+\mathrm{tan}^{\mathrm{2}} \:{x}}}=\mathrm{5}\:\Rightarrow\:\mathrm{tan}\:{x}\:=\mathrm{0}\vee\mathrm{tan}\:{x}\:=\frac{\mathrm{15}}{\mathrm{8}}…
Question Number 74173 by Mr. K last updated on 19/Nov/19 Commented by Mr. K last updated on 19/Nov/19 $${Whats}\:{the}\:{perimeter}\:{of}\:{ABC}? \\ $$ Answered by mind is…
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Question Number 8635 by tawakalitu last updated on 19/Oct/16 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x} \\ $$$$\mathrm{5}^{\sqrt{\mathrm{x}}} \:−\:\mathrm{5}^{\mathrm{x}} \:−\:\mathrm{7}\:=\:\mathrm{100} \\ $$ Answered by ridwan balatif last updated on 19/Oct/16 $$\mathrm{5}^{\sqrt{\mathrm{x}}}…
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Question Number 74168 by mr W last updated on 19/Nov/19 Commented by mr W last updated on 19/Nov/19 $${solve}\:{for}\:{x}. \\ $$ Answered by Rio Michael…
Question Number 8633 by Yozzias last updated on 19/Oct/16 $$\mathrm{Find}\:\underset{\mathrm{n}\rightarrow\infty} {\mathrm{lim}}\frac{\mathrm{n}^{\mathrm{p}} }{\mathrm{x}^{\mathrm{n}} }\:\:\:\mathrm{where}\:\mathrm{p}\in\mathbb{Z}^{+} . \\ $$ Commented by prakash jain last updated on 19/Oct/16 $$\mathrm{Does}\:{x}\:\mathrm{cover}\:\mathrm{entire}\:\mathrm{range}\:\mathrm{of}\:\mathbb{R}?…
Question Number 8632 by swapnil last updated on 19/Oct/16 $${evaluate} \\ $$$$\underset{\mathrm{0}} {\overset{\mathrm{3}} {\int}}\underset{\mathrm{0}} {\overset{\mathrm{4}} {\int}}\mathrm{1}+{x}\:{dy}\:{dx} \\ $$$$\: \\ $$ Answered by FilupSmith last updated…