x power 4 -(x-z)whole power 4.
Factorisation
I guess that you are expected to use the difference of two squares resultOriginally Posted by shaurya
here:
.
Here you have:
.
Now use for and for , this will give you the first stage
of factorisation. The difference of squares can then be applied again to further.
factorise the expression.
RonL