Question

y=8logx, then dy/dx = ?
1.
Blogx
2.
8x
3.
8/x
4.
8

Answer 1

Answer:

Formula :

$\frac{d \: log \: x }{dx} \\ = \frac{1}{x}$

Now,

$y = 8 log \: x \\ \frac{dy}{dx} = \frac{d \: (8 log \: x )}{dx} \\ \: \: \: \: \: \: = \frac{8}{x}$

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