BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

If x=y^a, y=z^b and z= x^c, then abc=?

Expert replies
Source: — Problem Solving |

by Anurag@Gurome » Sat Jun 23, 2012 12:00 pm
Chinn_asama wrote:If x=y^a, y=z^b and z= x^c, then abc=?
x = y^a
y = z^b --> z = y^(1/b)
z = x^c = (y^a)^c = y^(ac)

So, y^(1/b) = y^(ac)
--> 1/b = ac
--> abc = 1
Anurag Mairal, Ph.D., MBA
GMAT Expert, Admissions and Career Guidance
Gurome, Inc.
1-800-566-4043 (USA)

Join Our Facebook Groups
GMAT with Gurome
https://www.facebook.com/groups/272466352793633/
Admissions with Gurome
https://www.facebook.com/groups/461459690536574/
Career Advising with Gurome
https://www.facebook.com/groups/360435787349781/
Join the discussion