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2015-01-25T18:13:20+05:30
The value of a is 28.5,the frequency of 30 and 70 is 145.5 and 188.5
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2015-01-25T19:15:51+05:30
The frequency is 144.5 or 188.5 of 30 and 70 iff a=28.5
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