Question

If y =
$\sqrt{2x + 5}$


then at dy/dx at x=1 is 1/√k. find k​

Answer 1

Answer:

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Answer 2

$\Large\mathtt\green{ }\huge\underline\mathtt\red{Answer : }$

Given equation can be written as,

y=√x+y

y2=x+y

Differentiating both sides w.r.t. x,

2ydydx=1+dydx

dydx(2y-1)=1

dydx=12y-1, where y2=x+y and y>0y>0.

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