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प्रश्न
Find the geometric mean between `4/9` and `9/4`
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उत्तर
Geomatric mean between `4/9` and `9/4`
= `sqrt(4/9 xx 9/4)`
= `sqrt(1)`
= 1
संबंधित प्रश्न
Find, which of the following sequence from a G.P. :
9, 12, 16, 24, ................
Find the third term from the end of the G.P.
`2/27, 2/9, 2/3, .........,162.`
Q 8
If a, b and c are in A.P, a, x, b are in G.P. whereas b, y and c are also in G.P.
Show that : x2, b2, y2 are in A.P.
If a, b, c are in G.P. and a, x, b, y, c are in A.P., prove that `1/x + 1/y = 2/b`
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. : 3, 6, 12, .........., 1536.
Q 8
