6, 8, 15, 44, ?, 1134.
Here series follows the pattern- 6 × 2 – 2 ² = 8 8 × 3 – 3 ² = 15 15 × 4 – 4 ² = 44 44 × 5 – 5 ² = 195 195 × 6 – 6 ² = 1134
I. x2 – 18x + 81 = 0
II. y2 – 3y - 28 = 0
I. 4x² - 15x + 9 = 0
II. 20y² - 23y + 6 = 0
I.70x² - 143x + 72 = 0
II. 80 y² - 142y + 63 = 0
I. x² + 11x + 24 = 0
II. y² + 17y + 72 = 0
I.√(3x-17)+ x=15
II. y + 135/y=24
I. 64x2 - 64x + 15 = 0
II. 21y2 - 13y + 2 =0
I. 6x2 + 23x + 10 = 0
II. 2y2 - 3y - 5 = 0
I. 2x2– 5x – 63 = 0
II. 2y2– 7y – 72 = 0
I. 8x – 3y = 85
II. 4x – 5y = 67
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0