Question
Download Solution PDF(a + b + c) = 13, மற்றும் (ab + bc + ca) = 54 எனில், (a2 + b2 + c2) இன் மதிப்பைக் காண்க.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFபயன்படுத்தப்பட்ட சூத்திரம்:
(a + b + c)2 = a2 + b2 + c2+ 2(ab + bc + ca)
கணக்கீடு:
⇒ 132 = a2 + b2 + c2+ 2 x 54
⇒ 169 - 108 = a2 + b2 + c2
⇒ a2 + b2 + c2 = 61
∴ சரியான விடை 3
Last updated on Jul 17, 2025
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