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OpenStudy (jkbo):
What is the geometric mean of 7 and 12? (1 point) a.1 b.9.5 c.2√21 d.4√21
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OpenStudy (anonymous):
Ex: If (a,b,c) is a geometric sequence then b is a G.M b^2=a*c
OpenStudy (anonymous):
can u get it now ?
OpenStudy (jkbo):
no i still dont gett it
OpenStudy (anonymous):
According to the G.M of a G.S: let b is the G.m between 7,12 b^2=a*c b^2=7*12 b^2=84 b=84^1/2= c.2√21
OpenStudy (jkbo):
thank u
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