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nadeemoidu (1184)

Blazing goIITian

Olaaa!! Perrrfect answer. 200  [292 rates]

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cos2x varies from -1 to 1
so here the range is from 1/(5+3) to 1/(5-3)
i.e. from 1/8 to 1/2
 this reply: 2 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
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