Question

Can someone teach me how to differentiate P=k/v plz


"According to Boyle's Law, the pressure of a gas is given by the formula P = k/V, where k is a constant and V is the volume of the gas. If k = 100 for a certain gas, find the rate of change in the pressure when V = 20"

Answer 1

I know first we do p=kv^-1

Answer 2

You don't have to do that, but it may help your perception of the problem.

The shortcut (power rule or polynomial rule) is what? Drag down the exponent and decrease it by 1. Do that.

Answer 3

Can u show numerically

Answer 4

Why? It's only 2 things. What is the exponent on the variable?