Question

12. If x - y = 9 and xy = 16, find the value of
x² + y ​

Answer 1

Answer:

Given, x+y=9 and xy=16.

We know, (a+b)

2

=a

2

+2ab+b

2

.

Then,

(x+y)²=x²+2xy+y²

⟹ (9)²=x²+2(16)+y²

⟹ 81=x²+32+y²

⟹ x²+y²=81−32=49.

Step-by-step explanation:

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Answer 2

Answer:

ACTUALLY THE QUESTION IS WRONG

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