Question
Download Solution PDFयदि a + b = 5 और ab = 6 है, तो 3(a2 + b2) ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
a + b = 5 और ab = 6
प्रयुक्त अवधारणा:
a2 + b2 = (a + b)2 - 2ab
गणना:
3(a2 + b2)
⇒ 3{(a + b)2 - 2ab}
⇒ 3{52 - 2 × 6}
⇒ 39
∴ अभीष्ट मान 39 है।
Last updated on Jul 9, 2025
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