(x^-1 + y^-1)^-1?

Question: simpliy the ff. pls!…thanx! (x^-1 + y^-1)^-1 Best Answers: Answer by Kemposa^(-n) = 1/(a^n) therefore: x^-1 = 1/x y^-1 = 1/y lest simplify the brackets first: 1/x + 1/y = (y + x) / xy [(x + y) / xy]^-1 = xy / (x + y) Answer by Joymash(x^-1 + y^-1)^-1 = 1/ (x^-1+y^-1) […] PR News Crimovies