Math, asked by bhishmaps, 1 year ago

if a + b + c = 6 and AB + bc + CA = 8 then find a² + b² +c²

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Answered by SahilChandravanshi
2
hope this will help u.. :-)
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Answered by adityarudra505
1
(a+b+c)^2 = 36
a^2 + b^2 + c^2 + 2(ab+BC+ca )= 36
so a^2 +. b^2 + c^2 = 36-16 . (as ab+BC +ca = 8)
and is 20
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