Waec Further Mathematics Questions
Question 126:
Simplify: \(^{n}C_{r} à· ^{n}C_{r-1}\)
- A \(\frac{n(n-r)}{r}\)
- B \(\frac{n}{r(n-r)}\)
- C \(\frac{1}{r(n-r)}\)
- D \(\frac{n+1-r}{r}\)
Question 127:
If \(2\sin^{2} \theta = 1 + \cos \theta, \leq \theta \leq find the value of \(\theta\).
View Answer & ExplanationQuestion 128:
If \(\begin{vmatrix} 1+2x & -1 \\ 6 & 3-x \end{vmatrix} = -3 \), find the values of x.
- A \(x = 3, -2\)
- B \(x = 4, \frac{-2}{3}\)
- C \(x = -4, \frac{3}{2}\)
- D \(x = 4, \frac{-3}{2}\)
Question 129:
Find \(\int \frac{x^{3} + 5x + 1}{x^{3}} \mathrm {d} x\)
- A \(x^{2} + 10x + c\)
- B \(x + \frac{5}{3}x^{3} + x^{4} + c\)
- C \(x - 5x^{2} - 2x^{3} + c\)
- D \(x - \frac{5}{x} - \frac{1}{2x^{2}} + c\)
Question 130:
Find the coordinates of the point which divides the line joining P(-2, 3) and Q(4, 6) internally in the ratio 2 : 3.
- A \((5\frac{2}{5}, \frac{2}{5})\)
- B \((\frac{2}{5}, 5\frac{2}{5})\)
- C \((\frac{-2}{5}, 5\frac{2}{5})\)
- D \((\frac{2}{5}, 4\frac{1}{5})\)