Double-helical structure of DNA was given by

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

Equation 1: 21x² - 82x + 80 = 0

Equation 2: 23y² - 132y + 85 = 0

Equation 1: x² - 200x + 9600 = 0

Equation 2: y² - 190y + 9025 = 0

Equation 1: x² - 180x + 8100 = 0

Equation 2: y² - 170y + 7225 = 0

I. (y – 5)² – 9 = 0

II. x² – 3x + 2 = 0

I. 2y² - 15y + 18 = 0

II. 2x² + 9x - 18 = 0

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

Equation 1: 41x² - 191x + 150 = 0

Equation 1: x² - 90x + 2025 = 0

Equation 2: y² - 88y + 1936 = 0

I. 3x⁶- 19x³+16=0

II. 9y⁴- 27y²+20=0

I. x² – 39x + 360 = 0

II. y² – 36y + 315 = 0

I. x² + 16x + 63 = 0

II. y² + 2y - 15 = 0