Question

In physics chapter 3 y =logex find du/dx​

Answer 1

Answer:

( u=x^{2}-y^{2}+sin (y z) )

[

begin{aligned}

frac{d u}{d x} &=2 x-2 y frac{d y}{d x}+cos (y 2)

&left[frac{d y}{d x} cdot 2+y cdot frac{d z}{d x}right]

&=2 x-2 y cdot y+cos (y z) cdot[y z

&left.+frac{y}{x}right]

&=2 x-2 y^{2}+cos (y z)left[frac{x y z}{x+y}right]

&=2 x-2 y^{2}+frac{y}{x}(x z+1) cos y z

end{aligned}

I hope you understand my answer

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Answer 2

Explanation:

....... .