Posted by Marie-Claire on November 10, 2002 at 14:27:27:
I have tried this question numerous times. I get stuck each time. Please have a go, I am really stuck[:)]
If
a= 6x
---
1+x^2
and
b = 2(1-x^2)
-------
1+x^2
Calculate the value of :
a^2 b^2
---- + ----
9 4