If x be any non-zero integer and m, n be negative integers, then xm � – InterviewSolution

1.

If x be any non-zero integer and m, n be negative integers, then xm × xn is equal to:(a) xm (b) xm+n (c) xn (d) xm-n

Answer»

(b) x^(m+n)

Using law of exponents,

a^m x aⁿ = (a)^m+n

Similarly, x^mx xⁿ = (x)^{m + n}

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