Math, asked by kristeen71, 6 months ago

if x + y =12 and xy =14 find the value of. x ²+ y ².


Answers

Answered by priya2806
30

Answer:

(x+y)^2=x^2+y^2+2xy

12^2=x^2+y^2+2(14)

144-28=x^2+y^2

116=x^2+y^2

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Answered by varad032005
7

Answer:

Step-by-step explanation:

x+y =12   , xy=14              

(x+y)² =x² + y² +2xy

(12)² = x²+y² +2(14)

144 = x²+y²+28

116 = x²+y²

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