Post Utme Mathematics Past Questions and Answers

Question 431:

Let \(A =(1,3,7,8)\) and \(B =72,7,9\). The element which shows that the set \(A\) and \(B\) are not disjoint is

A. 3
B. 7
C. 4
D. 2 and 1
E. 8

Question 432:

LET(n)/(r) = n!/r!(n-r)

A. 35
B. 75
C. 45
D. 55
E. 30

Question 433:

Find the equation of he straight line through \((1,2)\) and 3,8\()\)

A. \(y=x-3\)
B. \(2 y=3 x+1\)
C. \(y=3 x-1\)
D. \(2 y=3 x-1\)

Question 434:

Let \(f(x)=\frac{3 x+1}{x+2}\) Find \(\int f(x) d x\)

A. \(5 x-3 \ln / x+2 /+K\)
B. \(3 x-5 \ln / x+2+K\)
C. \(5 x / 3 / n / x+2 / 4\)
D. \(3 x / 5 \ln / x+2 /+K\)
E. K

Question 435:

If \(\log _{2}\left(3 y^{2}+8 y-1\right)=1\), evaluate \(Y\).

A. \(y=1 / 3\) or \(-3\)
B. \(y=-1 / 3\) or 3
C. \(y=-1 / 3\) or \(-3\)
D. \(y=1 / 3\) or 3
E. \(y=3\) (twice)