Math, asked by shanmukh7, 1 year ago

(a+b-2c)^3+(b+c-2a)^3+(a+c-2b)^3

Answers

Answered by Anonymous
1
We know that if x+y+z=0,then x³+y³+z³=3xyz
Here we take,x=(a+b-2c),y=(b+c-2a),z=(a+c-2b)
(a+b-2c)+(b+c-2a)+(a+c-2b)=0
⇒(a+b-2c)³+(b+c-2a)³+(a+c-2b)³=3(a+b-2c)(b+c-2a)(a+c-2b)
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