# Algebra - Aptitude Questions and Answers

 If x = t 1 / t-1 and y = t t / t-1 , t > 0, t ≠ 1 then what is the relation between x and y ? A) yx = x1/y B) x1/y = y1/x C) xy =yx D) xy = y1/x Correct Answer : xy =yx Explanation :Now, y = t t / t-1 = ( t 1 / t-1)t = xt …..(i) y / x = t t / t-1 / t 1 / t-1 = t t / t-1 - 1 / t-1 = t t / t-1 - 1 / t-1 = t t - 1 / t - 1 y / x = t …..(ii) From Eqs. (i) and (ii), we get y = x y/x => yx = xy Post/View Answer Post comment Cancel Thanks for your comment.! Write a comment(Click here) ...
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