A bowl is designed by revolving completely the area enclo...
A bowl is designed by revolving completely the area enclosed by y = x2 - 1, y = 3 and x ≥ 0 around the axis. What is the volume of this bowl?
7π cubic units
15π/2 cubic units
8π cubic units
17π/2 cubic units
Correct answer is B
∫30 π(y+1) dy = π[y2 + y30
= π(9/2 + 3) = 15π/2
Factorise completely: 32x2y - 48x3y3...
Calculate the total surface area of a cone of height 12cm and base radius 5cm. [Take π = 22/7] ...
Find correct to 3 decimal places (\(\frac{1}{0.05}\) + \(\frac{1}{5.005}\)) - (0.05 x 2.05)...
The shaded portion in the diagram is the solution of...
If \(N = \begin{pmatrix} 3 & 5 & -4 \\ 6 & -3 & -5 \\ -2 & 2 & 1 \end{pmatri...
If \(2x^2 + kx - 14 = (x+2)(2x-7)\), find the value of K...
Evaluate \((111_{two})^2\) and leave your answer in base 2...
Calculate the time taken for N3000 to earn N600 if invested at 8% simple interest...