Math, asked by diyaarajeev, 1 year ago

if a+b+c=0 and a^2+b^2+c^2=16 what is ab+bc+ca

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Answered by Anonymous
3
HEY MATE,_________________↓↓

⇒( a + b + c ) = 0

⇒(a + b + c )² = 0

⇒ a² + b² + c² +2ab +2bc + 2ca=0

⇒16 + 2(ab+bc+ca)=0

⇒2(ab + bc + ca) = -16

⇒ ab + bc + ca = -8

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Answered by Striker007
0

Answer:

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