Mathematics 1998 JAMB Past Questions

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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(3 + \(\sqrt{3}\))m
C. 150 \(\sqrt{3}\)m
D. \(\frac{50}{\sqrt{3}}\)m

View Answer & Discuss (6) JAMB 1998

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. -\(\frac{8}{9}\)

View Answer & Discuss (2) JAMB 1998

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

View Answer & Discuss (4) JAMB 1998

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Evaluate ∫\(^{\pi}_{2}\)(sec² x - tan²x)dx

A. \(\frac{\pi}{2}\)
B. \(\pi\) - 2
C. \(\frac{\pi}{3}\)
D. \(\pi\) + 2

View Answer & Discuss (4) JAMB 1998

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

View Answer & Discuss (3) JAMB 1998

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Mathematics 1998 JAMB Past Questions

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