Determine the value of a if (x-a) is a factor of the polynomial x3-(a2-1)x + 2
Which is equal to =(-2)
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3
Answer:
a=-2
Step-by-step explanation:
X-a is a factor of given polynomial then x-a=0
x=a put in given exp
(a)3 - a sq(a) + a +2=0
a cube - a cube +a+2=0
a 3 cancel
a+2=0
a=-2 ans
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