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11. Find the number of geometric means inserted between 1 and 243 in which the ratio of the first mean to the last mean is 1:27.
Wednesday, January 10, 2018
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Soln: L.H.S. = cosec40 - Ö 3sec40 = 1/sin40 - Ö 3/cos40 = 1/sin40 - tan60/cos40 [tan60= Ö 3] = 1/sin40 - sin60/(cos40.cos6...
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