Find the value of the expression a3-b3+3ab(a-b) when a=-3,b=1
jass48:
put the values of both a and b.
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1
9-3+9(2),
6+18=24, i think
6+18=24, i think
yes u right
is it right, a cube or a×3 , i didn't understand when i did that
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(3)^3-(1)^3+3×3×1(3-1)=27-1+9(3-1)=27-1+27-9=26+18=45ans
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