Question

if x+y=12 and xy=14 ,
then the value of (x²+y²) =???​

Answer 1

Answer:

The value of is equal to 116.

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Answer 2

Answer:

Given,

x+y=12 and xy=14

x+y=12

Squaring both sides, we get,

(x+y)² = 12²

=>x²+y²+2xy =144

=>x²+y²+2×14-144

=>x² + y² +28 -144

=>x²+y² = 144-28

=> x² + y² = 116.