Question

a+ b is equal to 1 then find the value of a cube plus b cube plus 3ab​

Answer 1

Step-by-step explanation:

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Answer 2

ans is. -1. a+b. whole cube equal to-1 cube. a cube+b cube +3ab(a+b) equal to -1..a cube+bcube-3ab(-1) equal to-1 equal to-1. a cube +b cube-3ab equals to -1