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Which of the following is incorrect?...

Which of the following is incorrect?

A

The cube of an even natural number is always even.

B

The cube root of a rational number `x/y` is `(root(3)(x))/(root(3)(y))`

C

The cube of a negative number is always positive

D

2197 is a perfect cube.

Text Solution

Verified by Experts

The correct Answer is:
C
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