# How do you determine whether x-1 is a factor of the polynomial #x^4-3x^3+2x^2-x+1#?

##### 1 Answer

Jan 31, 2017

#### Explanation:

Let us denote the given polynomial by

To determine whether

So, for

It will be clear from the above discussion that, to determine whether

**the sum of the co-effs. is**

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