Given, x – 1, xn + 1 pair of polynomials
Need to find out n such as first polynomial is factor of second
⇒ To check x – 1 is factor of xn + 1 we must get xn + 1 = 0 when substituted x with 1 from the first polynomial
⇒ Consider n as 1 then the polynomial equation wiil be x + 1 which is not equal to zero and x – 1 will not be the factor.
⇒ For any n value x – 1 cannot be a factor
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