Question

40. The value of (3x +2y)2 +( 3x- 2y)2 is
(a) 9x + 4y?
(b) 18r? +8y?
(c) 12x
(d) 24​

Answer 1

Step-by-step explanation:

i hope it helps you....

(3x+2y)^2 is in the form of (a+b)^2

(3x-2y)^2 is in the form of (a-b)^2

Answer 2

Step-by-step explanation:

(3x+2y)²+(3x-2y)²

(3x) ²+(2y) ²+12xy + (3x) ²+(2y) ²-12xy

9x²+4y²+12xy+9x²+4y²-12xy

18x²+8y²

b.)

Hope helpful.....