CBSE Class 9 Answered
I want to solve this question
Asked by abilash8b | 06 Jan, 2022, 12:27: PM
Expert Answer
We know that, if x + y + z = 0 then x3 + y3 + z3 = 3xyz
Let x = 2 - a, y = 2 - b, z = 2 - c
Therefore, x + y + z = 2 - a + 2 - b + 2 - c = 6 - (a + b + c) = 0
Thus, we have
(2 - a)3 + (2 - b)3 + (2 - c)3 = 3(2 - a)(2 - b)(2 - c)
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