NumericalHard4 marks
Factorize completely using factor theorem : 2x³ - x² - 13x - 6.
Topic: Remainder and factor theorem
Previous-year question practice database
Answer
Exam answer
2x³−x²−13x−6 = (x−3)(x+2)(2x+1).
Explanation
Check f(3)=0, divide by x−3, then factor the quadratic.
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