Q. 154.0( 2 Votes )

Which of the following is not equal to 1?
A.

B.

C.

D.

Answer :

Let us solve each option,

For option A,





For option B,


Again we have another law of indices which is as follows:


am ÷ an = a (m-n)


According to Law of indices,


am × an = a (m + n)





For option C,




For Option D,






So the correct answer is D.

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