If \((ax+by)^2=(bx+ay)^2,\) what is the value of \(a-b ?\)

This topic has expert replies
Legendary Member
Posts: 2276
Joined: Sat Oct 14, 2017 6:10 am
Followed by:3 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

If \((ax+by)^2=(bx+ay)^2,\) what is the value of \(a-b ?\)

(1) \(x^2>y^2\)

(2) \(a\) and \(b\) are positive integers.

Answer: C

Source: Manhattan GMAT