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Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Question 1861:


Determine the value of \(\int_0 ^{\frac{\pi}{2}
}(-2cos x)dx\)

A. -2
B. -1/2
C. -3
D. -3/2


Question 1862:


A binary operation ⊕ on real numbers is defined by x ⊕ y = xy + x + y for any two real numbers x and y. The value of (-3/4) ⊕ 6 is

A. 3/4
B. -9/2
C. 45/4
D. -3/4


Question 1863:


The graph above is represented by

A. Y = x3 - 3x - 2
B. Y = x3 + 2x2 - x - 2
C. Y = x3 - 4x2 + 5x - 2
D. Y = x3 - 4x + 2


Question 1864:


Make L the subjects of the formula if \(\sqrt{\frac{42w}{5l}}\)

A. \(\sqrt{\frac{42w}{5d}}\)
B. \(\frac{42W}{5d^2}\)
C. \(\frac{42}{5dW}\)
D. \(\frac{1}{d}\sqrt{\frac{42w}{5}}\)


Question 1865:


The solution of the quadratic inequality (x3 + x - 12) ≥ 0 is

A. X ≥ -3 or x ≤ 4
B. X ≥ 3 or x ≥ -4
C. X ≤ 3 or x v -4
D. X ≥ 3 or x ≤ -4






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