NCERT Exercise 4.1 - Q2(iv) - Quadratic Equations
Question: Represent the following situation in the form of a quadratic equation: A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. We need to find the speed of the train.
Answer: The quadratic representation is x^2 - 8x - 1280 = 0.
Full step-by-step NCERT solution with diagrams on Something by Zero.