( Set up the appropriate form of the partial fraction decomposition for the following. Do Not find the values of the unknown constants, A, B,CID a ) 7 x2 + 150 X2-25X b) 10 *2+4 ( core ) 8 x - 6 X3- 7x2 ( X 2 +4 ) 2 C . 4 (x-1)3 d) 5 x2. 4x+ 6 (x - 2) (X2 +X+ 1 )