Question

Expand : (2p+q+5) ^2​

Answer 1

On expansion , we get

(2p+q+5)²

⟹(2p)² + q² + 5² + 2.(2p)(q) + 2.(5)(q) + 2.(2p)(5)

⟹4p²+q²+25+4pq+10q+20p

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