Question

If a-b= 1 then a³-b³-3ab​

Answer 1

Answer:

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Answer 2

Answer:

1 is the answer.

Step-by-step explanation:

It is given that, a-b = 1                          -(1)

and, a^3 - b^3 -3ab

We know, (a-b)^3 = a^3 - b^3 -3ab(a-b)

             

Substituting, eq1,

   1 = a^3 - b^3 - 3ab

  Hence, 1 is the answer.

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