Question Number 64240 by harish kumar last updated on 16/Jul/19 Answered by Tanmay chaudhury last updated on 16/Jul/19 $$\mathrm{4}{x}^{\mathrm{2}} −{y}^{\mathrm{2}} +\mathrm{2}{x}−\mathrm{2}{y}−\mathrm{3}{xy} \\ $$$$\mathrm{4}{x}^{\mathrm{2}} −\mathrm{3}{xy}−{y}^{\mathrm{2}} +\mathrm{2}\left({x}−{y}\right)…
Question Number 129759 by mohammad17 last updated on 18/Jan/21 $${since}\:{f}\left({z}\right)=\sqrt{{z}−\mathrm{1}}\:{find}\:{f}^{−\mathrm{1}} \left({z}\right)\:? \\ $$ Answered by I want to learn more last updated on 18/Jan/21 $$\mathrm{y}\:\:=\:\:\sqrt{\mathrm{z}\:\:−\:\:\mathrm{1}}…
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Question Number 129749 by mohammad17 last updated on 18/Jan/21 Commented by mohammad17 last updated on 18/Jan/21 $${please}\:{help}\:{me} \\ $$ Commented by mohammad17 last updated on…
Question Number 64204 by naka3546 last updated on 15/Jul/19 Commented by naka3546 last updated on 15/Jul/19 $${Find}\:\:{all}\:\:{solutions}\:\:{of}\:\:{them}\:\:{if}\:\:\:{a},\:{b},\:{c}\:\:\in\:\:\mathbb{R}\:. \\ $$ Answered by MJS last updated on…
Question Number 64202 by Prithwish sen last updated on 15/Jul/19 $$\mathrm{Prove}\:\mathrm{385}^{\mathrm{1980}} +\mathrm{18}^{\mathrm{1980}} \:\mathrm{is}\:\mathrm{not}\:\mathrm{a}\:\mathrm{square}.\: \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 64203 by Prithwish sen last updated on 15/Jul/19 $$\mathrm{M}\:\mathrm{is}\:\mathrm{the}\:\mathrm{midpoint}\:\mathrm{of}\:\mathrm{segment}\:\mathrm{AB}.\:\mathrm{Prove} \\ $$$$\mathrm{that},\mathrm{for}\:\mathrm{every}\:\mathrm{point}\:\mathrm{P}\:\mathrm{in}\:\mathrm{space}, \\ $$$$\mid\mathrm{PM}\mid\:\leqslant\:\frac{\mid\mathrm{PA}\mid\:+\mid\mathrm{PB}\mid}{\mathrm{2}} \\ $$ Commented by Prithwish sen last updated on 16/Jul/19…
Question Number 64201 by Prithwish sen last updated on 15/Jul/19 $$\mathrm{Find}\:\mathrm{all}\:\mathrm{positive}\:\mathrm{solutions}\: \\ $$$$\mathrm{x}+\mathrm{y}+\mathrm{z}\:=\:\mathrm{1} \\ $$$$\mathrm{x}^{\mathrm{3}} +\mathrm{y}^{\mathrm{3}} +\:\mathrm{z}^{\mathrm{3}} \:+\:\mathrm{xyz}\:=\:\mathrm{x}^{\mathrm{4}} \:+\:\mathrm{y}^{\mathrm{4}} \:+\:\mathrm{z}^{\mathrm{4}} \:+\mathrm{1} \\ $$ Answered by…
Question Number 129727 by abdurehime last updated on 18/Jan/21 $$\mathrm{find}\:\:\:\:\frac{\mathrm{dy}}{\mathrm{dx}}\:\mathrm{if}\:\:\:\mathrm{x}^{\mathrm{2}} +\mathrm{y}^{\mathrm{2}} =\mathrm{4} \\ $$ Answered by Ar Brandon last updated on 18/Jan/21 $$\mathrm{y}=\pm\sqrt{\mathrm{4}−\mathrm{x}^{\mathrm{2}} } \\…
Question Number 129710 by SOMEDAVONG last updated on 18/Jan/21 $$\mathrm{I}=\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \frac{\mathrm{2304cosx}}{\left(\mathrm{cos4x}−\mathrm{8cos2x}+\mathrm{15}\right)^{\mathrm{2}} }\mathrm{dx}\: \\ $$ Answered by MJS_new last updated on 18/Jan/21 $$\mathrm{2304}\int\frac{\mathrm{cos}\:{x}}{\left(\mathrm{cos}\:\mathrm{4}{x}\:−\mathrm{8cos}\:\mathrm{2}{x}\:+\mathrm{15}\right)^{\mathrm{2}} }{dx}= \\…