Question
Download Solution PDFఒకవేళ a + b + c = 0 మరియు ab + bc + ca = -11 అయితే, a2 + b2 + c2 విలువ ఎంత?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చినది:
a + b + c = 0 మరియు ab + bc + ca = -11
ఉపయోగించిన సూత్రం:
(a + b + c)2 = a2 + b2 + c2 + 2 (ab + bc + ca)
గణన:
ఉపయోగించిన సూత్రం ప్రకారం
⇒ (0)2 = a2 + b2 + c2 + 2 × (-11)
⇒ 0 = a2 + b2 + c2 - 22
⇒ a2 + b2 + c2 = 22
∴ ఎంపిక 2 సరైన సమాధానం.
Last updated on Jul 22, 2025
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