Questions asked by Sridhar V.
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Starting from a place, two person travel in bicycles along two perpendicular roads at speed of u km/hr and v km/hr. What is the distance between their positions after t hours?

Starting from a place, two person travel in bicycles along two perpendicular roads at speed of u km/hr and v km/hr. What is the distance between their positions after t hours?

Method of substitution is used. Stepbystep solution is requested. How do we integrate when u = [ 1  sin( x ) ]?