SOLUTION: Find the indicated value for the given rational expression: R(u)=8u^2-1/u^2-u-6 , R(3)

Algebra ->  Functions -> SOLUTION: Find the indicated value for the given rational expression: R(u)=8u^2-1/u^2-u-6 , R(3)      Log On


   



Question 301263: Find the indicated value for the given rational expression:
R(u)=8u^2-1/u^2-u-6 , R(3)

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
R(u)=8u^2-1/(u^2-u-6)
R(3)=8*3^2-1/(3^2-3-6)
R(3)=8*9-1/(9-9)
R(3)=72-1/0 [-1/0 is an undefined term)