When xm is multiplied by xn, product is 1. The relation between m and n is?
A. mn = 1
B. m + n = 1
C. m = n
D. m = -n
Answer: Option D
Solution (By Examveda Team)
$$\eqalign{ & {x^m} \times {x^n} = 1 \cr & {x^{m + n}} = {x^0}\left[ {{x^0} = 1} \right] \cr & m + n = 0 \cr & m = - n \cr} $$This Question Belongs to Arithmetic Ability >> Algebra
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