Question

How do you evaluate `(u^2- v^2)/(uv)` for u = 4 and v = 2?

Answer 1

`1 1/2`

Explanation:

In `(u^2-v^2)/(uv)`, if `u=4` and `v=2`

`(u^2-v^2)/(uv)=(4^2-2^2)/(4xx2)=(16-4)/(4xx2)=(3cancel12)/(1cancel4xx2)=3/2=1 1/2`