Q. 144.7( 3 Votes )

Which of the following is not equal to
A.

B.

C.

D.

Answer :


Any negative number when raised to a power which is an even number, the result obtained is positive power of that number.


Any negative number when raised to a power which is an add number, the result obtained is negative power of that number.


So since in the question, the power is 4, the result of (-5)4 will be positive 4th power of 5.


So the answer will be positive.


By looking at the option, Option C does not match to the desired result as the negative sign will persist in the result making it negative.




So option C does not match with the result.


So correct answer is C.

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