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Homework Statement
hy guys ,help me
prove if x<y and n is odd ,then xn<yn
i have solved this . .but a question in below
Homework Equations
The Attempt at a Solution
if 0=or<x<y then xn<yn (i have proved this ) and if x<y<or=0 we can say 0=or<-y<-x it implies -yn<-xn last we can add both side with +xn and +yn we have xn<yn ..
is proved is correct ? and what about if x<y<or=0 ( n is even ) how to prove this ?
thanx before ^_^