Q. 2 B5.0( 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 × = 3. 456789123456…………eq(1)

As there are 9 repeating digits. So we multiply by 109

109 × = 3456789123. 45678912345678…. …..eq(2)

Subtracting (1)from(2):

99999999 × = 3456789120

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