Question
Three of the following four are alike and hence formed a
group. Which is the one which does not belong the group?Solution
In this series when two is added in first letter third letter is producing. and when one is subtracted fron second letter fourth letter is producing.
I. 77x² - 25x – 72 = 0
II. 42y² + 13y – 42 = 0
I. 6x2 – 7x - 20 = 0
II. 3y2 - y - 14 = 0
If ‘y1’ and ‘y2’ are the roots of quadratic equation 5y2 – 25y + 15 = 0, then find the quadratic equation whose roots are ‘3y1�...
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 42x + 392 = 0
Equation 2: y² - 46y + 480 = 0
I. 2x² - 9x + 10 = 0
II. 3y² + 11y + 6 = 0
I. 8x² + 2x – 3 = 0
II. 6y² + 11y + 4 = 0
I. 2x² - 7x + 3 = 0
II. 8y² - 14y + 5 = 0
I. 20x² - 93x + 108 = 0
II.72y² - 47y - 144 = 0
I. 20y² - 13y + 2 = 0
II. 6x² - 25x + 14 = 0
I. 195x² - 46x - 21 = 0
II. 209y² + 7y - 12 = 0
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