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Determine the value of "a" if [x-a] is a factor of the polynomial x³-[a²-1] x+2.
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Step-by-step explanation:
as x-a is a factor X= a
by substituting a
a^3 - (a^2- 1) a +2
a^3 - ( a^3 -a +2a^2-2)
a^3 - a^3 + a - 2a^2 + 2
-2a^2 + a + 2
by solving quadratic equation u can get value of a
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