Question

Evaluate: x2 - y2 by replacing x with 1/2 and y with 1/4

Answer 1

`x^2 - y^2` when x = 1/2 and y = 1/4

`(1)/(2) ^2 - (1)/(4) ^2\\\\=(1)/(4)-(1)/(16) \\\\= (4)/(16)-(1)/(16)\\ \\= 3/16`