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IF x+y = -4 and xy …

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IF x+y = -4 and xy = 2 then the value of x square + y square = ?

Posted by Amit Kumar Giri 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Namrata Jindal 4 years, 9 months ago

x^2+y^2=(x+y)^2 - 2xy =(-4)^2 - 2*2 =16-4 =12

1Thank You

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CBSE > Class 09 > Mathematics