If f(x) = x3 + x2 − ax + b is divisible by x2 − x , then the value of a + b = Select an answerA–2B0C2D6
Question
Solution 1
The given polynomial f(x) = x^3 + x^2 - ax + b is divisible by x^2 - x.
This means that when we divide f(x) by x^2 - x, there should be no remainder.
We can write x^2 - x as x(x - 1).
So, the roots of the divisor are x = 0 and x = 1.
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