Question
If 89 # 97 = 135 and 68 # 86 = 96, then 88 # 89 =
?Solution
(8 x 9) + (9 x 7) = 72 + 63 = 135 (6 x 8) + (8 x 6) = 48 + 48 = 96 (8 x 8) + (8 x 9) = 64 + 72 = 136
I. 6y2 - 17y + 12 = 0
II. 15x2 - 38x + 24 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 97x² - 436x + 339 = 0
Equation 2: 103y² - 460y + 357 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 32x + 252 = 0
Equation 2: y² - 30y + 221 = 0
Solve the given two equations and answer the two questions that follow as per the instructions given below.
I. (1/4) + 7.5p(-2) = 3.62...
I. 84x² - 167x - 55 = 0
II. 247y² + 210y + 27 = 0
I. 2x2 + 5x + 2 = 0
II. 4y2 = 1
I. x2 - 20x + 96 = 0
II. y2 - 23y + 22 = 0
If the roots of the quadratic equation 7y² + 5y + 9 = 0 are α and β, then find the value of [(1/α) + (1/β)].
- Find the value of p if the quadratic equation x² + px + 36 = 0 has real and equal roots.
I. x² + 3x – 154 = 0
II. y² + 5y – 126 = 0