Question

If a + b + c = 0,

a ^2 + b^2+ c^2= 10
, then the value of

a^2+ b^2+ c^2 is ...​

Answer 1

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If a + b + c = 0,

a ^2 + b^2+ c^2= 10

, then the value of  (a+b+c)^2 is ??

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(a+b+c)^2=a+b+c+a^2+b^2+c^2,

(a+b+c)^2=0+10,

(a+b+c)^2 = 10.

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Answer 2

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$If \:a + b + c = 0,$

$a ^2 + b^2+ c^2= 10,$

$Then\: the \:value \:of$

$a^2+ b^2+ c^2\: is$

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$(a+b+c)^2=a+b+c+a^2+b^2+c^2,$

$(a+b+c)^2=0+10,$

$(a+b+c)^2 = 10.$

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