Question

If x + y = 9and XY = 14,4ind X²-y²​

Answer 1

Answer:

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

Explanation:

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Answer 2

Answer:

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Explanation:

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