SOLUTION: Which expression is not equivalent to {{{3rd^-1-6/(r^-1d)}}}? A: {{{-3rd^-1}}} B: {{{-3r/d}}} C: {{{-3d/r}}} D: {{{-3/r^-1d}}}

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Which expression is not equivalent to {{{3rd^-1-6/(r^-1d)}}}? A: {{{-3rd^-1}}} B: {{{-3r/d}}} C: {{{-3d/r}}} D: {{{-3/r^-1d}}}      Log On


   

Question 1003703: Which expression is not equivalent to 3rd%5E-1-6%2F%28r%5E-1d%29?
A: -3rd%5E-1
B: -3r%2Fd
C: -3d%2Fr
D: -3%2Fr%5E-1d
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
You carefully see that r must be part of the numerator and d must be part of the denominator. Those are with exponent +1. Which choice does not fit?


C.