Question

Find the derivative of y= 1 / x​

Answer 1

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

Explanation:

y = 1/x

dy/dx = d/dx(1/x)

=> dy/dx = d/dx(
`x^(-1)`)

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

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