Category: Differentiation

Question Number 119280 by snipers237 last updated on 23/Oct/20 $$Pleasemoreinformationsaboutthisoperator$$$$\underset{p=1}{\stackrel{\mathrm{\infty }}{K}}(\dots \dots )$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 119240 by benjo_mathlover last updated on 23/Oct/20 $$findmaxandminvalueof$$$$f(x,y)=4x^2+8xy+9y^2-8x-24y+4$$ Answered by 1549442205PVT last updated on 23/Oct/20 $${f}\left({x},{y}\right)\:=\:\mathrm{4}{x}^{\mathrm{2}} +\mathrm{8}{xy}+\mathrm{9}{y}^{\mathrm{2}}…

Question Number 184735 by mustafazaheen last updated on 11/Jan/23 $$$$$$f(x,y)=\left(\sqrt{3{xy}^2}\right)\left(\sqrt[5]{x^5{y}^2}\right)$$$$f^{{}^{\prime }}(x,y)=?f^{″}(x,y)=?$$$$$$ Commented by mr…

Question Number 118969 by benjo_mathlover last updated on 21/Oct/20 $$Givenf\left(x\right)=\frac{\sin x+\cos x}{\sin x-\cos x}$$$$findthevalueof$$$$f{}^{″}\left(x\right)+f{}^{\prime }\left(x\right)+1.$$ Answered by TANMAY PANACEA last updated on 21/Oct/20 $${f}\left({x}\right)=\frac{{tanx}+\mathrm{1}}{{tanx}−\mathrm{1}}=−{tan}\left(\frac{\pi}{\mathrm{4}}+{x}\right)…

Question Number 118887 by rexfordattacudjoe last updated on 20/Oct/20 Answered by benjo_mathlover last updated on 20/Oct/20 $$f{}^{\prime }\left(x\right)=\underset{h\to 0}{\lim }\frac{\sqrt{x+h}-\sqrt{x}}{h}$$$$=\underset{h\to 0}{\lim }\frac{x+h-x}{h}\times \underset{h\to 0}{\lim }\frac{1}{\sqrt{x+h}+\sqrt{x}}$$$$=\:\mathrm{1}×\frac{\mathrm{1}}{\mathrm{2}\sqrt{{x}}}\:=\:\frac{\mathrm{1}}{\mathrm{2}\sqrt{{x}}} \…