find the mean proportion of 1/25 and 1/16
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let mean be x
= 1/x =x/25
x2 = 25
x= root over 25
= root over 5 to the power 2
=5 ans
let mean be x
= 1/x = x/16
x2 =16
x = root over 16
= root over 4 to the power 2
=4 ans
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