Q. 2 G5.0( 1 Vote )

Following real numbers are expressed in decimal form. Find whether they are rational or not. If rational. express them in form p/q. Comment on factors of q:


Answer :

Let × = 0. 9999…. ….eq(1)


As there are repeating digits.


So we multiply by 10


10 × = 9. 9999…. ……..eq(2)


Subtracting (1) from (2):


9 × = 9


× = 1


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