Question

If a+b=-1, then what is the value of a3+b3-3ab.
plz ans fast......
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Answer 1

Answer:

a3+b3-3ab=-1

Step-by-step explanation:

a3+b3-3ab

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

=(-1)^3-3ab×-1-3ab

=-1+3ab-3ab

=-1

Here is your answer....