CBSE Class 9 Answered
Using
factor theorem, show that (x + 1) is a factor of x19 + 1.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Let f(x) = x19 + 1
(x + 1) is a factor if f(-1) = 0
Now, f(-1) = (-1)19 + 1 = -1 + 1 = 0
Hence (x + 1) is a factor of x19 + 1.
Answered by | 04 Jun, 2014, 03:23: PM
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