Question

express in the form of (a+b)²
1) (4a-2ab)².

2) (2ab+3ab)²​

Answer 1

Step-by-step explanation:

(4a-2ab)^2

(a+b)^2 = a^2 + 2ab + b^2

a=4a , b=2ab

( 4a+2ab)^2 =4a^2+2(4a) (2ab) + 2b^2

16a + (8a)(4ab) + 4b

16a + 32a^2b + 4b

= 52a^3b^2

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