Question
Download Solution PDFa + b + c = 0 மற்றும் ab + bc + ca = -11 எனில், a2 + b2 + c2 இன் மதிப்பு என்ன?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டவை:
a + b + c = 0 மற்றும் ab + bc + ca = -11
பயன்படுத்தபட்ட சூத்திரம்:
(a + b + c)2 = a2 + b2 + c2 + 2 (ab + bc + ca)
கணக்கீடு:
பயன்படுத்தப்படும் சூத்திரத்தின் படி
⇒ (0)2 = a2 + b2 + c2 + 2 × (-11)
⇒ 0 = a2 + b2 + c2 - 22
⇒ a2 + b2 + c2 = 22
∴ விருப்பம் 2 சரியான பதில்.
Last updated on Jul 22, 2025
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