Math, asked by hptapan17dipankar, 6 months ago

(a + 7b)^2 expand the following

Answers

Answered by pummybanga1982

2

Answer:

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Answered by tyrbylent

3

Answer:

a² + 14ab + 49b²

Step-by-step explanation:

(a ± b) = a² ± 2ab + b²

(a + 7b)² = a² + 14ab + 49b²

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