Jamb Mathematics Questions
Question 26:
From the top of a vertical mast 150m high., two huts on the same ground level are observed. One due east and the other due west of the mast. Their angles of depression are 60o and 45o respectively. Find the distance between the huts
- A 150(1 + \(\sqrt{3}\))m
- B 50( \(\sqrt{3}\) - \(\sqrt{3}\))m
- C 150 \(\sqrt{3}\)m
- D \(\frac{50}{\sqrt{3}}\)m
Question 27:
If y = 243(4x + 5)-2, find \(\frac{dy}{dx}\) when x = 1
- A \(\frac{-8}{3}\)
- B \(\frac{3}{8}\)
- C \(\frac{9}{8}\)
- D -\(\frac{8}{9}\)
Question 28:
Differentiate \(\frac{x}{cosx}\) with respect to x
- A 1 + x sec x tan x
- B 1 + sec2 x
- C Cos x + x tan x
- D X sec x tan x + secx
Question 29:
Evaluate ∫\(^{\pi}_{2}\)(sec2 x - tan2x)dx
- A \(\frac{\pi}{2}\)
- B \(\pi\) - 2
- C \(\frac{\pi}{3}\)
- D \(\pi\) + 2
Question 30:
find the equation of the curve which passes through by 6x - 5
- A 6x2 - 5x + 5
- B 6x2 + 5x + 5
- C 3x2 - 5x - 5
- D 3x2 - 5x + 3