Q2 of 111 Page 337

For a non-zero rational number x, x8 ÷ x2 is equal to

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

am ÷ an = a (m-n)


Here in the question,


a = x


m = 8


n = 2


∴ m – n = 8 – 2


= 6


x8 ÷ x2 = x6


So the correct answer is B.

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