(ex. 2.4) If (x-z) is a factor of the each of following then find the value of (a) in each case:. x⁵-3x⁴-ax³+3ax²+2ax+4.

 If (x-z) is a factor of the each of following then find the value of (a) in each case:

If (x-z) is a factor of the each of following then find the value of (a) in each case:
x⁵-3x⁴-ax³+3ax²+2ax+4.