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. Step-by-step solution is requested. How do we integrate when u = [ 1 - sin( x ) ]?