Asked by warnar
if a is the g.m. of 2 and 1/4, then find a.
Answers
Answered by
Reiny
Assuming g.m. stands for geometric mean
the terms are 2, a, and 1/4
and
a/2 = (1/4)/a
a^2 = 1/2
a = ± 1/√2 or ± √2/2
the terms are 2, a, and 1/4
and
a/2 = (1/4)/a
a^2 = 1/2
a = ± 1/√2 or ± √2/2
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