if n!/(n-r)!r! :n!/(n-(r+1))!r+1! =1/2 and n!/(n-(r+1))!(r+1)! :n!/(n-(r+2))!r+2! =2+3 then find the value of n and r?
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Can you explain in English because I don't understand Hindi
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Maths
Oct. 13, 2019, 3:52 p.m.
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A wooden bookshelf has an external dimension as follows height zero is equal to 10 cm 5 cm and the thickness of the everywhere that if the rate of polishing
Maths
Oct. 13, 2019, 1:13 p.m.
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The power of engine of a car of mass 1200 kg is 25kW. What is the minimum time required by the car to attain a velocity of 90km/h.