Diamond cutting is like a cottage industry in which of

Solve the quadratic equations and determine the relation between x and y:

Equation 1: x² - 26x + 168 = 0

Equation 2: y² - 23y + 132 = 0

I. 3q² -29q +18 = 0

II. 9p² - 4 = 0

I. 12x² - 55x + 63 = 0

II. 10y² - 47y + 55 = 0

(i) 2x² + 14x - 16 = 0

(ii) y² – y – 12 = 0

If x + 1/x = 3, find x² + 1/x².

I. 15b² + 26b + 8 = 0

II. 20a² + 7a - 6 = 0

For what values of k does the equation x² – (k+1)x + k = 0 have two distinct real roots, both greater than 1?

I. 63x² + 148x + 77 = 0

II. 21y² + 89y + 88 = 0

I. 8x² + 2x – 3 = 0

II. 6y² + 11y + 4 = 0

I. 9x² + 45x + 26 = 0

II. 7y² – 59y − 36 = 0