Sum of Roots and Product of Roots

Example

The roots of 2 x 2 +3x1=0   are α  and β .  Find the values of
(a) (α+1)(β+1)
(b) 1 α + 1 β
(c) α 2 β+α β 2
(d) α β + β α
       [Clue: α 2 + β 2 = (α+β) 2 2αβ   ]