A polynomial in x whose roots are frac 4 3 and ... - JAMB Mathematics 2009 Question
A polynomial in x whose roots are \(\frac{4}{3}\) and -\(\frac{2}{5}\) is
A
15x2 - 11x - 12
B
15x2 + 11x - 12
C
12x2 - x - 12
D
12x2 + 11x - 15
correct option: a
(3x - 4)(5x + 3)
= 15x2 - 11x - 12
= 15x2 - 11x - 12
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