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26 A swimmer can swim in still water at a speed of 5 m s...

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26 A swimmer can swim in still water at a speed of 5 m s and takes t and to time to cross a river in shortest time and shortest path respectively If the speed of river increases then time taken to cross the river in shortest time and shortest path be and to respectively Then ES 0 OSS 1 4 t t 1 2 t t t 1 000 8 to spns ne pri am 4 t t t to 3 t t to sta t

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