Math, asked by sona675, 5 months ago

please answer in full steps........

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Answers

Answered by rashidruma123

1

Answer:

B

Step-by-step explanation:

(x-y)^2+2xy

49+2×9

67

Answered by prachisingla579

1

Answer:

67

Step-by-step explanation:

Given, x−y=7 and xy=9

x−y=7

Squaring both sides, we get,

(x−y)2=72

=>x2+y2−2xy=49

=>x2+y2−2(9)=49

=>x2+y2=49+18

=>x2+y2=67

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