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by Brent@GMATPrepNow » Mon Mar 24, 2014 4:51 am
candygal79 wrote:If the operation # is defined for all x and y by the equation x#y=2(x2y−y2x), then (6#5)/(5#6)=

a = -2

b= -1

c= 1/2

d= 2

e= 1
It's hard to tell whether or not you intended for there to be exponents here.
Use the "^" symbol to denote powers.

So, does x#y = 2^(yx^2 − xy^2) or does x#y = 2(yx^2 − xy^2)?

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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