Question

Verify that:
(i) 15²-9²= 12²
​

Answer 1

${15}^{2} - {9}^{2} = {12}^{2} \\ 225 - 81 = 144 \\ 144 = 144$

Answer 2

Step-by-step explanation:

$= = > {15}^{2} - {9}^{2} = {12}^{2} \\ = = > 225 - 81 = 144 \\ = = > 144 = 144$

hence, proved