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I. 20y² - 13y + 2 = 0

II. 6x² - 25x + 14 = 0

I. p² - 10p +21 = 0

II. q² + q -12 = 0

I. 8x² - 74x + 165 = 0

II. 15y² - 38y + 24 = 0

I. 4x² - 21 x + 20 = 0

II. 8y² - 22 y + 15 = 0

I. x³ = 1728

II. y² – 15y + 56 = 0

I. 117x² + 250x + 117 = 0

II. 54y² -123y + 65 = 0

A and B are the roots of equation x² - 13x + k = 0. If A - B = 5, what is the value of k?

I. 14p² – 135p + 81 = 0

II. 7q² – 65q + 18 = 0

Solve the given two equations and answer the two questions that follow as per the instructions given below.

If the roots of the quadratic equation 7y² + 5y + 9 = 0 are α and β, then find the value of [(1/α) + (1/β)].