insert 2 geometric means between 1 and 27 ...
1,_,_,27
please be kind,if you dont know the answer please dont steal the points,the one who answered correctly deserves a points :)
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insert 2 geometric means between 1 and 27 ...
1,_,_,27
please be kind,if you dont know the answer please dont steal the points,the one who answered correctly deserves a points :)
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a1 = 1, n = 4, a4 = 27
a4= a1r^n-1
27= 1r^4-1
27= 1r^3
27÷1= 1r^3 ÷ 1
27=r^3
3•3•3= r^3
3^3 =r^3
3=r
a2= a1r^n-1
a2= 1(3)2-1
a2=3
a3= a1r^n-1
a3= 1(3)^3-1
a3= 3^2
a3=9
Therefore, 3 and 9 is the 2 geometric means between 1 and 27