If x + y = 15 and xy = 50 then what is x² + y²?
यदि x + y = 15 और xy = 50 हो तो x² + y² का मान क्या होगा?
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Correct Answer
C. 125 / 125
Explanationx² + y² = (x + y)² - 2xy = 225 - 100 = 125.
x² + y² = (x + y)² - 2xy = 225 - 100 = 125।