Question

If (x-a) is a factor of x^3-ax^2+ a - 1
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Answer 1

Answer:

if x-a is a factor then on puting x= a on equation resultant is 0

Step-by-step explanation:

so on puting x=a in x^3-ax^2+ a - 1

a³-a.a²+a-1= 0

a-1 = 0

so a= 1