Question Number 140498 by mnjuly1970 last updated on 08/May/21 $$\:\:\:\:\:\:……..\:{nice}\:\:\:…….\:\:{calculus}……. \\ $$$$\:\:\:\:\:\:{simplify}: \\ $$$$\:\:\:\:\boldsymbol{\phi}\left({x}\right):=\:{sin}\left(\frac{{x}}{\mathrm{2}}\right)\left(\mathrm{1}+\mathrm{2}\underset{{m}=\mathrm{1}} {\overset{{n}} {\sum}}{cos}\left({mx}\right)\right) \\ $$$$\:\:\:\: \\ $$ Answered by Dwaipayan Shikari last…
Question Number 74959 by aliesam last updated on 04/Dec/19 $${f}\left({x}\right)=\mid{x}+\mathrm{5}\mid−\mid{x}−\mathrm{2}\mid−\mid{x}+\mathrm{6}\mid \\ $$$$ \\ $$$${find}\:{f}'\left({x}\right) \\ $$ Commented by mathmax by abdo last updated on 04/Dec/19…
Question Number 140488 by meetbhavsar25 last updated on 08/May/21 Commented by meetbhavsar25 last updated on 08/May/21 $${mr}\:{W},\:{please}\:{help}\:{me}\:{out} \\ $$ Commented by mr W last updated…
Question Number 74933 by imelder last updated on 04/Dec/19 $$\mathrm{differentiate}\:\mathrm{the}\:\mathrm{following}\:\mathrm{functions} \\ $$$$\left.\mathrm{a}\right)\mathrm{f}\left(\mathrm{x}\right)=\mathrm{2x}^{\mathrm{5}} \:\mathrm{coshx} \\ $$ Commented by mathmax by abdo last updated on 04/Dec/19 $${f}\left({x}\right)=\mathrm{2}{x}^{\mathrm{5}}…
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Question Number 9306 by tawakalitu last updated on 29/Nov/16 $$\mathrm{Differentiate}\:\mathrm{from}\:\mathrm{the}\:\mathrm{first}\:\mathrm{principle}: \\ $$$$\mathrm{y}\:=\:\mathrm{tan2x} \\ $$ Answered by mrW last updated on 30/Nov/16 $$\mathrm{y}\left(\mathrm{x}\right)=\mathrm{tan}\:\left(\mathrm{2x}\right) \\ $$$$\mathrm{y}\left(\mathrm{x}+\mathrm{h}\right)=\mathrm{tan}\:\left(\mathrm{2x}+\mathrm{2h}\right)=\frac{\mathrm{tan}\:\left(\mathrm{2x}\right)+\mathrm{tan}\:\left(\mathrm{2h}\right)}{\mathrm{1}−\mathrm{tan}\:\left(\mathrm{2x}\right)×\mathrm{tan}\:\left(\mathrm{2h}\right)} \\…
Question Number 140369 by meetbhavsar25 last updated on 06/May/21 Commented by meetbhavsar25 last updated on 08/May/21 $${mr}\:{W},\:{please}\:{help}\:{me}\:{out} \\ $$ Answered by john_santu last updated on…
Question Number 140363 by cesarL last updated on 06/May/21 $${My}\:{friends}\:{can}\:{you}\:{help}\:{me}? \\ $$$${f}\left({x},{y}\right)={x}^{\mathrm{3}} {y}^{\mathrm{7}} −\mathrm{4}{e}^{{x}−{y}} \\ $$$${Find}: \\ $$$$\left.{a}\right)\:\frac{\partial^{\mathrm{2}} {f}}{\partial{x}\partial{y}}=? \\ $$$$\left.{b}\right)\:\frac{\partial^{\mathrm{2}} {f}^{\mathrm{2}} }{\partial{y}\partial{x}}=? \\ $$$${Please}…
Question Number 9268 by Adarsh last updated on 27/Nov/16 $$\mathrm{2}+\mathrm{x}=\mathrm{3} \\ $$ Answered by FilupSmith last updated on 27/Nov/16 $${x}=\mathrm{1} \\ $$ Terms of Service…
Question Number 9231 by tawakalitu last updated on 24/Nov/16 $$\mathrm{Differentiate}\::\:\:\mathrm{sin}\sqrt{\mathrm{x}}\:\:\:\:\mathrm{from}\:\mathrm{the} \\ $$$$\mathrm{first}\:\mathrm{principle}. \\ $$ Answered by mrW last updated on 29/Nov/16 $$\mathrm{y}\left(\mathrm{x}\right)=\mathrm{sin}\:\sqrt{\mathrm{x}} \\ $$$$\mathrm{y}\left(\mathrm{x}+\mathrm{h}\right)=\mathrm{sin}\:\sqrt{\mathrm{x}+\mathrm{h}} \\…