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[" EXAMPLE 14If "[sin x]+[(x)/(2 pi)]+[(...

[" EXAMPLE 14If "[sin x]+[(x)/(2 pi)]+[(2x)/(5 pi)]=(9x)/(10 pi)," then the "],[" number of solutions in the interval "(30,40)" is "],[[" (a) "0," (b) "1," (c) "2," (d) infinite "]]

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