Question

سا (a) From the definition of derivatives determine dy÷dx if y = -2÷x​

Answer 1

Explanation:

Given:
`y = -(2)/(x)`

Derivative of a power function
`x^n`:

`(d)/(dx)(x^n) = nx^(n-1)`

Therefore,

`(dy)/(dx)=-2(-1)x^(-2) = (2)/(x^2)`