Math, asked by tamannakhari54, 10 hours ago

Q15. Simplify: (pm + m n)²- 2pm²n

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Answered by supalvasani

0

${pm}^{2} + {mn}^{2} + 2p {m}^{2} n = ( {pm + mn)}^{2} \\ therefore \: anwer \: would \: be \: \\ = {pm}^{2} + {mn}^{2}$

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