The quadratic equation (p + 1)x ² -  8(p + 1)x + 8(p + 16) = 0 (where p ≠ -1) has equal roots. find the value of p.

I. y/16 = 4/y

II. x³= (2 ÷ 50) × (2500 ÷ 50) × 4²× (192 ÷ 12)

If α, β are the roots of the equation x² – px + q = 0, then the value of α²+β²+2αβ is 

(i) 2x² – 9x + 10 = 0

(ii) 4y² – 12y + 9 = 0

I. 84x² - 167x - 55 = 0

II. 247y² + 210y + 27 = 0

I. x² – 10x + 21 = 0

II. y² + 11y + 28 = 0

I. x² – 18x + 81 = 0

II. y² – 3y - 28 = 0

I. 6y²- 17y + 12 = 0

II. 15x²- 38x + 24 = 0

I. 22x² - 97x + 105 = 0

II. 35y² - 61y + 24 = 0

I. 3x² - 16x - 12 = 0

II. 2y² + 11y + 9 = 0