bookie3132
bookie3132
14-07-2016
Mathematics
contestada
Find two geometric means between 4 and 13.5
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claudiagspaulding
claudiagspaulding
14-07-2016
so r1/4 = 13.5/r2 = r2/r1
r1*r2 = 54 ----------eqn(1)
r2^2 = 13.5r1--------eqn(2)
from(2) r1 = r2^2/13.5
substituting this in eqn(1)
r2^3/13.5 = 54
r2^3 = 54*13.5 = 729
r2 = 9
r1 = 81/13.5 = 6
so two geometric means between 4, 13.5 are 6 and 9
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pedrolok
pedrolok
14-07-2016
two geometric means between 4, 13.5 are 6 and 9
Answer Link
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