a person goes a distance of 3 kilometre on his bicycle and the number of hours taken by him is one less than his average speed in kilometre per hour find the time taken by him to complete the journey
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यानी, 30 / x उसकी औसत गति होगी
अब, प्रश्न के अनुसार, ...
= एक्स-30 / एक्स = 1
= x ^ 2-30 / x = 1, समीकरण हल करें
उत्तर होगा
# x = 6 घंटे....
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