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I. 14p² + 9p - 8 = 0

II. 4q² - 19q + 12 = 0

I. 12a² – 55a + 63 = 0

II. 8b² - 50 b + 77 = 0

I. 3x² – 17x + 10 = 0

II. y² – 17y + 52 = 0

What is the nature of the roots of the quadratic equation x² – 5x + 7 = 0 ? 

I. (4x-5)³ +  1/(4x-5)³  = 2

II. 2[(y+1/y)²- 2]- 9(y+1/y)= -14

if x satisfies 3x² – 5x – 12 = 0, find the sum of reciprocals of roots.

I. x² – 13x + 40 = 0

II. 2y² – 15y + 13 = 0 

I. x² – 39x + 360 = 0

II. y² – 36y + 315 = 0

I. y² - 7 y – 18 = 0

II. x² + 10 x + 16 = 0

I. x²-2x- √5x+2√5 = 0

II. y²-√3 y- √2 y+ √6 = 0