(i) If √2 is a root of the equation kx² + √2 – 4 = 0, find the value of k.
(ii) If a is a root of the equation x² – (a + b)x + k = 0, find the value of k.
Solution:
If 
and -3 are the roots of the equation px² + 7x + q = 0, find the values of p and q.
Solution:
