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Prove that a^2 + b^2 + c^2 - ab - bc - ca =1/2[(a-b)^2+ (b-c)^2 + (c-a)^2].
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asked
Apr 29, 2018
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Class 12
by
kratos
Prove that a2 + b2 + c2 - ab - bc - ca =1/2[(a-b)2+ (b-c)2 + (c-a)2].
rational expression
class-8
cross product
class-9
class-12
vector
polynomials
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answered
Mar 28, 2020
by
kratos
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