If all the digits of the number 986947638 are arranged in decreasing order, then sum of 5th and 6th digits (from the left end) of the number thus formed, is ____.
9 8 6 9 4 7 6 3 8 9 9 8 8 7 6 6 4 3 Required sum = 7 + 6 = 13
I. 6x2 + 19x + 10 = 0
II. y2 + 10y + 25 = 0
I. 6x² - 49x + 99 = 0
II. 5y² + 17y + 14 = 0
I. 35 y² + 58 y + 24 = 0
II. 21 x² + 37 x + 12 = 0
I. p2 - 19p + 88 = 0
II. q2 - 48q + 576 = 0
I. 3x2 – 17x + 10 = 0
II. y2 – 17y + 52 = 0
If a quadratic polynomial y = ax2 + bx + c intersects x axis at a and β, then
I. x − √2401 = 0
II. y2 − 2401 = 0
I. 2x² - 7x + 3 = 0
II. 8y² - 14y + 5 = 0
I. x² - 33x + 270 = 0
II. y² - 41y + 414 = 0
I.70x² - 143x + 72 = 0
II. 80 y² - 142y + 63 = 0
