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4.Express 0.99999… in the form p/q. Are you surprised by your answer?
With your teacher and classmates discuss why the answer makes sense.
Answer :

Let,
x = 0.9999.... (i)
multiplying by eq. (i) by 10 , we get,
10 x = 9.9999......(ii)
On subtracting Eq. (ii) from Eq. (i), we get
(10 x – x) = (9.99999…) – (0.99999…)
i.e., 9x = 9
Hence, x = 1