For Sec 3 Add Maths students to practise,
Question
The equation x^(2/3) - 2x^(1/3) + 3 = 0 has roots a and b.
(a) Write down the value of a^(1/3) + b^(1/3) and the value of a^(1/3) x b^(1/3)
(b) Hence, find the value of a + b