Advertisements
Advertisements
Question
Find the geometric mean between 2a and 8a3
Sum
Solution
Geometric mean between 2a and 8a3
= `sqrt(2a xx 8a^3)`
= `sqrt(16 xx a^4)`
= 4a2
shaalaa.com
Simple Applications - Geometric Progression
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find the 9th term of the series :
1, 4, 16, 64, ...............
The fifth term of a G.P. is 81 and its second term is 24. Find the geometric progression.
Q 6
Q 1.2
If each term of a G.P. is raised to the power x, show that the resulting sequence is also a G.P.
Find the sum of G.P. :
0.3 + 0.03 + 0.003 + 0.0003 + ........... to 8 items.
Find the sum of G.P. :
`1 - 1/2 + 1/4 - 1/8 + ..........` to 9 terms.
Find the sum of G.P. :
`(x + y)/(x - y) + 1 + (x - y)/(x + y) + ..........` upto n terms.
Find the sum of G.P. :
`sqrt(3) + 1/sqrt(3) + 1/(3sqrt(3)) + ..........` to n terms.
Q 2