Pandaloof Pandaloof

19-08-2020
Mathematics

contestada

Find the value of N: 1/N = 1/5 + 1/4 - 1/3 + 1/12

Respuesta :

Bhogendra Bhogendra

23-08-2020

Answer:

1/ N = 1 / 5 + 1/ 4 - 1/ 3 + 1/12

taking L.C.M

Then,

or, 1/N = 5 + 6 / 20 - 13+ 4 / 12

or, 1/N = 11/ 20 - 7/12

or, 1/N = 14 - 12 / 60

or, 1/N = 2 / 60

NOW,

Do cross multiplication,

60 = 2N

or, 60 / 2 = N

so, N = 30

ANS

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