Math, asked by keya2607, 8 months ago

Pls ans this fassttt

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Answers

Answered by poojasahanidaman
1

Answer:

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Answered by kaikeyeemahato
1

Step-by-step explanation:

x+y=81

x+y²=81² (a+b)²

= a²+2ab+b²

x²+2xy+y²

4

x²+6+y²= 6561

x²+y² = 6561-6

= 6555

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