Question

If a+ b = -1 , then value of a^3 + b^3 - 3ab is ??

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

hope it helps

Step-by-step explanation:

given: a+b=-1

solution:

since (a+b)^3= a^3+b^3+3ab(a+b)

-1= a^3+b^3+3ab(-1)

therefore a^3+b^3-3ab= -1

answer

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