Find the sum and the product of the roots of the following equation.

8x² – 25 = 0

Find the sum and the product of the roots of the following equation.

kx² + ax + pk = 0

Find the sum and the product of the roots of the following equation.

3x² – 5x = 0

Form a quadratic equation whose roots are

(i) 3, 4 (ii) 3 + √7, 3 – √7 (iii)

If α and β are the roots of the equation 3x² – 5x + 2= 0, then find the values of

(i) (ii) α – β (iii)