Check whether (x-2) is factor of x^3-2x^2-5x+4
Answers
Answered by
1
Answer:
I would suggest you to just try to divide the polynomials if the reminder is 0 then it is the factor.
Step-by-step explanation:
x-2 ) x^3-2x^2-5x+4(
Answered by
1
QUESTION: Check whether (x-2) is factor of x³- 2x²-5x + 4
SOLUTION: By using reminder theorem, we get:
=> p(x) = x³- 2x²-5x + 4
Putting the value of x
=> p(2) = (2)³ - 2(2)² - 5(2) + 4 = 0
=> p(2) = 8 - 8 - 10 + 4 = 0
=> p(2) = -6 = 0
As -6 is not equal to 0
Hence, (x - 2) is not the factor of x³- 2x²-5x + 4
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