Question

expend ( 4a + 2b )²
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Answer 1

Answer:

16a^2+4b^2+16ab;

Step-by-step explanation:

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

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

=16a^2+4b^2+16ab

HOPE THESE WILL HELP U.....

Answer 2

Answer: 16a^2 + 16ab + 4b^2

Step-by-step explanation:

Using identify,

{ a+b}^ 2 = a^2+2ab+4b^2

=(4a+2b) ^2

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

=16a^2 + 16ab + 4b^2

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