Express the following decimals in p/q form.
(i) 6.621621621... (621 is repeating)
(ii) 15.712121212... (12 is repeating)
Please help me guys.
Answers
Answered by
62
Answer:
Let a=15.7121212
then 100a=1571.21212
Calculate
100a-a=99a
=1571.2121212...-15.7121212...
=1555.5
therefore
a=1555.5/99
=15555/990
=1037/66
so p=1037, q=66
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