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प्रगति = progress
The equation q2 - 17x + C = 0, has two roots ‘x’ and ‘y’ such that (x – y) = 7. Find an equation which is equal to thrice of the gi...
I. x2 + 25x + 154 = 0
II. y2 + 27y + 181 = 0
If x² + 2x + 9 = (x – 2) (x – 3), then the resultant equation is:
I. x2 - 4x – 21 = 0
II. y2 + 12y + 20 = 0
I. y² + y – 56 = 0
II. 2x² + 11 x – 40 = 0
Quantity I: A vessel contains a mixture of milk and water in the ratio of 7 : 5. If 9 litre of mixture is sold and replaced by same amount of water then...
I. 7p + 8q = 80
II. 9p – 5q = 57
If a quadratic polynomial y = ax2 + bx + c intersects x axis at a and β, then
I. x² + 3x – 154 = 0
II. y² + 5y – 126 = 0