SOLUTION:
= …….(i)
Comparing coefficients of : A + C = 0 …….(ii)
Comparing coefficients of : A + B – 2C= 1 …….(iii)
Comparing constants: –2A + 2B + C = 0 …….(iv)
On solving eq. (i), (ii) and (iii), we get
A = B = C =
Putting the values of A, B and C in eq. (i),
=
=
=
=
=
=