Question

if a =4 and b=5 find the value of a^3 +b^3 - 3a^2b +3ab^2​

Answer 1

`a^3 - b^3 - 3a^2b+ 3ab^2, by, a^2 + b^2 - 2ab`

This is your answer Okkk Bye

Answer 2

Answer:

4×4×3+5×5×3 -3×4×4×2×5+ 3×4×5×5×2

=20×20×9×-12×40+12×50

=400×9-480+600

=3600+120

=3720

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