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Since their HCF is 18.
So, numbers are (4 x 18 = 72) and (5 x 18 = 90).
We know that product of numbers = HCF x LCM
72 x 90 = 18 x LCM
Or, 6,480 = 18 x LCM
So, LCM = (6,480/18) = 360
I. 99 x² + 31 x – 110 = 0
II. 6y² - 31y + 35 = 0
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. 8x – 3y = 85
II. 4x – 5y = 67
I. 2b2- 37b + 143 = 0
II. 2a2+ 15a - 143 = 0
I. x2 - 17x + 70 = 0
II. y2 - 11y + 28 = 0
I. 2x2 + 3x - 9 = 0
II. 3y2 - y - 10 = 0
I. 96x² + 52x - 63 = 0
II. 77y² + 155y + 72 = 0
I. x2 - 4x – 21 = 0
II. y2 + 12y + 20 = 0
Roots of the quadratic equation 2x2 + x – 528 = 0 is
I. x² + 11x + 24 = 0
II. y² + 17y + 72 = 0
