Math, asked by mamathashree, 3 months ago

3. Use suitable identity: (2a+7) (2a+7)

Answers

Answered by priyad72910

0

Answer:

( a + b) 2

=a^2 + 2ab + b^2

2a^2 + 2* 2a*7 + 7^2

= 4a^2 + 28a + 49

Answered by kishanckn

0

(a+b) whole square= (a+b)(a-b)

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