(a(i))[3]
Factorise the expression $27y^2 - 3$ fully.
(a(ii))[2]
Factorise the expression $2m - pk + 2k - pm$ fully.
(b)[5]
Solve $\dfrac{x - 1}{x + 1} - \dfrac{6}{x - 1} = 1$.
(c)[4]
Solve $4x^2 - 3x - 2 = 0$. Show all the working clearly and give each answer correct to 2 decimal places.
(d)[4]
Make $k$ the subject from the formula $\dfrac{k}{m} = 4 + kp$.