Question

The polynomial x^4+3x^3+ax+3 is denoted by p(x). It is given that p(x)is divisible by x^2−x+1. Find the value of a.

Answer 1

@TheSmartOne @iGreen @dan815

Answer 2

Have you done polynomial divisions?
Hints:
If you have, then do a polynomial division, and the last line should equal zero, giving you an equation to solve for a.
If not, the best way is to start with getting familiar with either long division or synthetic division, which is the first step to solving the problem.
Here are some links to examples of polynomial division:
http://www.purplemath.com/modules/polydiv2.htm
http://www.purplemath.com/modules/synthdiv.htm

Answer 3

could you help in solving ?

Answer 4

@phi could you pls help ?

Answer 5

what have you tried ?

Answer 6

ive tried but am unable ... i have many confusions