Question

The length of a rectangle is (3x+2y) and the breadth is (3x-2y). Find the square of the diagonal.

PLEASE ANSWER PROPERLY OR YOU WLL BE REPORTED

Answer 1

Step-by-step explanation:

use Pythagoras theorem

here diagonal is hypotenuse

h^2= (3x+2y)^2+ (3x-2y)

= 2(3x^2 +2y^2). {since (a+b )+ (a-b) = 2 (a^2+b^2)}

made it very very simple

for u