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Distance Formula

If x=√7-√6 an...

Question

If $x = \sqrt{7} - \sqrt{6}$ and $y = \sqrt{7} + \sqrt{6}$ , find the value of $x^{2} + y^{2} - x y$ ?

25

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Solution

The correct option is A 25

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Similar questions

x - y = 7

x y = 9

, find the value of

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

x + y = 9, x y = 6

find the value of

x^{2} + y^{2}

x + y = 7

x y = 12

x^{2} + y^{2}

x + y + z = 6, x y + y z + z x = 11

. Find the value of

x^{2} + y^{2} + z^{2} .

x + y = \frac{7}{2}

x y = \frac{5}{2}

x^{2} - y^{2}

.

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