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I. 144x² - 163x - 65 = 0 144x² - 208x + 45x - 65 = 0 16x (9x – 13) + 5(9x – 13) = 0 (16x + 5) (9 x – 13) = 0 ∴ x = -5/16, 13/9 II. 91y² - 128y -48 = 0 91y² + 28y - 156y - 48 = 0 7y (13y + 4) – 12 (13 y + 4) = 0 (13 y + 4) (7y – 12) = 0 ∴ y = 12/7, -4/13 Hence, relationship cannot be established between x and y
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A person sees a train passing over 4 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 4 mins. What is th...
A person sees a train passing over 4 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 8 mins. What is th...
A train covers a certain distance at a speed of 40 km/h and the next same distance with a speed of 70 km/h and the next same distance with a speed of 12...
A train 'D' departed from Lucknow at 7:00 PM, traveling at a speed of 66 km/h, and reached Kolkata. Meanwhile, Train 'C' left Kol...
A person sees a train passing over 4 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 4 mins. What is th...
Without stopping the speed of the train is 135 kmph, with stopping the speed of the train is 90 kmph.Find the stop time of the train?
