Let f(x)= 3x^3+6x-8÷x(x^2+2) (i) Express f(x) in the form (A)+(B÷x)+(Cx+D÷x^2+2). (ii) show the integral 2 to 1 f(x) dx=3-ln4 Can someone please solve this question?
1 Answer
Jan 28, 2018
Please see below.
Explanation:
As
=
Here we have divided
Let
then
Comparing coeeficients of like powers, we get
Hence
and
=
=
=
For
and
Hence
=
=
=