Post Utme University Of Lagos Mathematics Past Questions and Answers

Question 141:

Find the value of \(x^4 + \frac{1}{x^4}\) ,
\(x + \frac{1}{x} = 4\)

A. 194
B. 125
C. 174
D. 109
E. None of these

Question 142:

Find the roots of the equation x² + 5x + 6 = 0

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

Question 143:

Find the equation whose roots are the squares of the roots of x² + x + 2 = 0

A. X² + 3x + 4 = 0
B. X² + 2x + 6 = 9
C. X+ 6x + 8 = 14
D. X+ 4x - 5 = 0

Question 144:

Find the area of the largest circle that can be drawn in a square of area 196sq.cm

A. 154cm²
B. 254cm²
C. 144cm²
D. 184cm²

Question 145:

A rectangular strip 5cm x 25cm is rotated completely about the 25cm side. Find the volume and the total surface area of the solid generated.

A. 942.86cm²
B. 745.73cm²
C. 988.46cm²
D. 898.72cm²