Math, asked by scsrose, 6 months ago

Write (3a+4b+5c)² in expanded from​

Answers

Answered by mohana8585
0

Answer:

(3a + 4b + 5c)2

= (9a2 + 16b2 + 25c2 + 2(12ab +20bc + 15ca)

As (a+b+c)2 = a2 + b2 + c2 + 2(ab + bc+ ca)

= 9a2 + 16b2 + 25c2 + 24ab + 40bc + 30ca

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