Question
Download Solution PDFयदि X + Y = 23 और XY = 126 है; तो (X)² + (Y)² का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
X + Y = 23
XY = 126
प्रयुक्त सूत्र:
(X + Y)2 = X2 + Y2 + 2XY
गणना:
232 = X2 + Y2 + 2 x 126
⇒ 529 = X2 + Y2 + 252
⇒ X2 + Y2 = 529 - 252
⇒ X2 + Y2 = 277
∴ सही उत्तर विकल्प (2) है।
Last updated on Jun 24, 2025
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