If $x + y = 8$ , $x y = 15$ , then the value of $x^{2} + y^{2}$ will be

32

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34

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36

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38

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Solution

The correct option is B $34$
$x^{2} + y^{2} = (x + y)^{2} - 2 x y = 64 - 2 \times 15 = 34$

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Similar questions

x + y = 8, x y = 15

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