Question

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Answer 1

Answer:

Correct option is

A

67

Given, x−y=7 and xy=9

x−y=7

Squaring both sides, we get,

(x−y)

2

=7

2

=>x

2

+y

2

−2xy=49

=>x

2

+y

2

−2(9)=49

=>x

2

+y

2

=49+18

=>x

2

+y

2

=67

Step-by-step explanation:

hope it HELPS you

Answer 2

Answer:

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