# CBSE Class 9 Answered

**find the values of a and b so that x+1 and x-1 are factors of x⁴+ax³+x²+2x+b**

Asked by shivalaxmi0205 | 15 Feb, 2023, 06:49: PM

Expert Answer

(x + 1) and (x - 1) are the factors of .

Let f(x) =

Then f(-1) = 0 and f(1) = 0

That is,

Answered by Rashmi Khot | 16 Feb, 2023, 03:18: PM

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