(three *(one + n)/(eight + nine *n))^(- one - n)*Abs((three *n/(- one + nine *n))^n)
(3 multiply by (1 plus n) divide by (8 plus 9 multiply by n)) to the power of ( minus 1 minus n) multiply by Abs((3 multiply by n divide by ( minus 1 plus 9 multiply by n)) to the power of n)
(three multiply by (one plus n) divide by (eight plus nine multiply by n)) to the power of ( minus one minus n) multiply by Abs((three multiply by n divide by ( minus one plus nine multiply by n)) to the power of n)