Question

How do you write `8a b + b ^ { 2} + 16a ^ { 2}` as a square of a binomial?

Answer 1

`(4a+b)^2`

Explanation:

Check:

`4a(4a+b)->16a^2+4ab`
`color(white)(0)b(4a+b)->ul(" "4ab+b^2) larr" Add"`
`" "16a^2+8ab+b^2`