Question

Evaluate r^2−s^2, when r=12 and s=5.

Answer 1

Step-by-step explanation:

Given r = 12, s = 5,

${r}^{2} - {s}^{2} = {12}^{2} - {5}^{2} \\ = 144 - 25 \\ = 119$

Answer 2

Answer:

119

hope this helps