Express the following in the form of p\q, where p and q are integers and q is not equal to 0
1. 15.71212.........
punkydudesid:
help .... fastttt..... getting...late?????????
Answers
Answered by
6
This is short cut method
15.71212...
=15712-15/990
=1557/990
15.71212...
=15712-15/990
=1557/990
Answered by
5
15.71212....=x
157.1212...=10x-----(1)
15712.1212...=1000x-----(2)
(2)-(1)
15555=990x
⇒x=15555/990
157.1212...=10x-----(1)
15712.1212...=1000x-----(2)
(2)-(1)
15555=990x
⇒x=15555/990
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