If x2-y2-14 and x y-3- find the value of 2x-y2-5x-y2A- 106B- 0C- 14D- 52

The correct option is B 0 ⇒ 2(x+y)^2 5(x y)^2 =2(x^2 + y^2 + 2xy) 5(x^2 2xy + y^2) = 2x^2 +2y^2 + 4xy 5x^2 + 10xy 5y^2 = 3x^2 3y^2 + 14xy = 3(x^ ...

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Expansion of (x+y)^2

If x2+y2=14 a...

Question

If $x^{2} + y^{2} = 14$ and $x y = 3$ , find the value of $2 (x + y)^{2} - 5 (x - y)^{2}$ .

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Similar questions

$If x^{2} + y^{2} = 14 and x y = 3,$
then find the value of
$2 (x + y)^{2} - 5 (x - y)^{2} .$

If $x^{2}$ + $y^{2}$ = 14 and xy = 3, find the value of $2 {(x + y)}^{2} - 5 {(x - y)}^{2}$ .

x^{2} + y^{2} = 14

x y = 3

2 (x + y)^{2} - 5 (x - y)^{2}

If $x^{2} + y^{2} = 47$ and $x y = \frac{19}{2}$ then what is the value of $3 (x + y)^{2} + (x - y)^{2}$ ?

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