Jamb Mathematics Questions
Question 16:
Solve the inequality (x - 3)(x - 4) \(\leq\) 0
- A 3 \(\leq\) x \(\leq\) 4
- B 3 < x < 4
- C 3 \(\leq\) x < 4
- D 3 < x \(\leq\) 4
Question 18:
Simplify \(\frac{x^2 - 1}{x^3 + 2x^2 - x - 2}\)
- A \(\frac{1}{x + 2}\)
- B \(\frac{x - 1}{x + 1}\)
- C \(\frac{x - 1}{x + 2}\)
- D \(\frac{1}{x - 2}\)
Question 19:
Express \(\frac{5x - 12}{(x - 2)(x - 3)}\) in partial fractions
- A \(\frac{2}{x + 2} - \frac{3}{x - 3}\)
- B \(\frac{2}{x - 2} + \frac{3}{x - 3}\)
- C \(\frac{2}{x - 3} - \frac{3}{x - 2}\)
- D \(\frac{5}{x - 3} - \frac{4}{x - 2}\)
Question 20:
Which of the following binary operations is cumulative on the set of integers?
- A A \(\ast\) b = a + 2b
- B A \(\ast\) b = a + b - ab
- C A \(\ast\) b = a2 + b
- D A \(\ast\) b = \(\frac{a(b + 1)}{2}\)