Math, asked by atharva5151, 1 year ago

today's the following 4 a square minus 12 a b + 9 b square - 4 c square​

Answers

Answered by mysticd
9

Answer :

(2a-3b+2c)(2a-3b-2c)

Explanation:

4a²-12ab+9b²-4c²

= [(2a)²-2×2a×3b+(3b)²]- (2c)²

= (2a-3b)²-(2c)²

= (2a-3b+2c)(2a-3b-2c)

Therefore,

Factors of 4a²-12ab+9b²-4c²

=(2a-3b+2c)(2a-3b-2c)

••••

Answered by devi48
1
given
a=4
12a b+9 b
12(4)(b)+9b
48(b)+9(b)
b=48-9
b=39 square
39×39=1528-4=1524
Similar questions