Question

Find the cube root of - 1728

Answer 1

If it is - 1728 it's Cube root is not possible. ..its imaginary. ..

If it is +1728 it's cube root is 12 which can be found out by prime factorsation method. ..

Answer 2

cube root of 1728=2*2*3=12

Answer 3

HEY MATE, HERE IS YOUR ANSWER:-

$\sqrt[3]{ - 1728} \\ = - \sqrt[3]{1728} \\ = - \sqrt[3]{12 \times 12 \times 12} \\ = - 12$
:. The cube root of -1728 is -12.

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