For a non-zero rational number x, x8 ÷ x2 is equal to(a) x4 (b) x6 – InterviewSolution

1.

For a non-zero rational number x, x8 ÷ x2 is equal to(a) x4 (b) x6 (c) x10 (d) x16

Answer»

(b) x⁶

For any non-zero integers ‘a’ and ‘b’ and whole numbers m and n,

a^m ÷ aⁿ = a^m–n, m>n

so, x⁸ ÷ x²

= x⁸/x²

= x^{8 – 2}

= x⁶

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