$1^3-2^3+3^3-4^3...+9^3=?$

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Answer 1 · 2018-07-15T04:51:08

425

So the question is:

$1^3 - 2^3 +3^3 - 4^3 + 5^3 - 6^3 + 7^3 - 8^3 + 9^3$

Solve the all the power 3 first- you will get :

$=1-8+27-64+125-216+343-512+729$

And now solve the operations.

Answer is $425$

1^3-2^3+3^3-4^3...+9^3=?1^3-2^3+3^3-4^3...+9^3=?