1.

Find the value of a and b so that (x+1) and (x-1) are factors ofplll solve this

Answer» PUT x=1
1+a-3+2+b=0
a+b=0
b=-a

put x=-1
1-a-3-2+b=0
-a+b=4
b+b=4
b=2
a=-2

hope this HELPS you


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