50 is divided into two parts such that the sum of their reciprocals is 1÷12 .Find the two parts
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Answer is 20 and 30. Take the nos as x and y. Eq.1 will be x+y=50 and eq.2 will be 1/x +1/y = 1/12. Now put the value y= 50-x from eq 1 into eq2 and solve. U will get a quadratic eq whose roots will be 30 and 20 which is the correct answer.
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