Trickling bed is terminology used in

I. 9/(4 )p + 7/8p = 21/12

II. 7/5p = 9/10q + 1/4

I. x² - 17x + 70 = 0

II. y² - 11y + 28 = 0

I. x² + 11x + 24 = 0

II. y² + 17y + 72 = 0

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

Equation 1: x² - 50x + 600 = 0

Equation 2: y² - 51y + 630 = 0

I. 2b²- 37b + 143 = 0

II. 2a²+ 15a - 143 = 0

If a quadratic polynomial y = ax² + bx + c intersects x axis at a and β, then

I.8^(x+3) +  8^(-x) =72 

II. 5^{(y + 5)} + 5^(-y) = 150 

I. 15b²+ 26b + 8 = 0

II. 20a²+ 7a - 6 = 0

If x^2 - 7x + k = 0 has roots that are equal, what is the value of k?