if a+b=-1 then find the value of a3+b3-3ab
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as we know ,
( a + b )^3 = a^3 + b^3 + 3ab( a + b )
if we put a + b = -1 then,
it will become,
a^3 + b^3 -3ab
so the answer is (a + b )^3.
thanks...
( a + b )^3 = a^3 + b^3 + 3ab( a + b )
if we put a + b = -1 then,
it will become,
a^3 + b^3 -3ab
so the answer is (a + b )^3.
thanks...
Rahul1905:
-1
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