The total surface area of a hemispher is 75\(\pi cm^2\). Find the radius.
Find the value of x for which \(\frac{x - 5}{x(x - 1)}\) is defined
Solved the equation \(2x^2 - x - 6\) = 0
Factorise completely the expression
\((x + 2)^2\) - \((2x + 1)^2\)
Find the \(n^{th}\) term of the sequence 2 x 3, 4 x 6, 8 x 9, 16 x 12...
