SOLUTION:
=
=
= (Dividing numerator by denominator)
= …….(i)
Now
= …….(ii)
Comparing coefficients of on both sides –2A + B = …..(iii)
Comparing constants A = 1 …….(iv)
Solving eq. (ii) and (iii), we get A = and B =
Putting these values of A and B in eq. (ii),
=
=
Putting this value in eq. (i),
=