Show that 3.86 (bar only on six) is ratonal number
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Let x = 3.86 ( bar on 6)
Multiply by 10
10x = 38.6 (bar on 6).......... eq 1)
Multiply by 10
100x = 386.6 ( bar on last 6).........eq 2)
Subtract eq 1 from eq 2
100x - 10x = 386.6 ( bar on last six) - 38.6 (bar on 6)
990x = 348
=> x = 348/990
Hence, 3.86 (bar on 6) is converted in the form p/q....
We can say that it is a rational number.
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