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If the mean proportion of x2 and y2 is 4, then find the mean proportional of x3 and y3.1). 22). 43). 84). 16 |
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Answer» x2 : 4 = 4 : y2 x2y2 = 16 xy = 4 Let the MEAN PROPORTIONAL of x3 and y3 be a a2 = x3y3 ⇒ a = (4)3/2 = 8 |
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