Question

Find $x+y+z$ given that $x, y , z$ are in an arithmetic series with ratio r, while $x, y+2, z+12$ are in a geometric series with ratio $r+1$.

score 181 · Answer 1 · 2019-12-11 17:25:01

181

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Find $x+y+z$ given that $x, y , z$ are in an arithmetic series with ratio r, while $x, y+2, z+12$ are in a geometric series with ratio $r+1$.

Published on 11 Dec 2019 - 17:25

score 690 · Answer 2 · 2019-12-13 11:14:35

690

Views

evaluating infinite sum for $e^{x}$

Published on 13 Dec 2019 - 11:14

score 217 · Answer 3 · 2019-12-25 08:10:52

217

Views

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Published on 25 Dec 2019 - 8:10

score 92 · Answer 4 · 2019-12-26 22:05:07

92

Views

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Published on 26 Dec 2019 - 22:05

score 36 · Answer 5 · 2019-12-29 09:06:53

36

Views

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score 293 · Answer 6 · 2020-01-04 17:10:54

293

Views

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score 136 · Answer 7 · 2020-01-09 13:59:56

136

Views

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score 91 · Answer 8 · 2020-01-11 07:24:10

91

Views

How to find the value of the common ratio in geometric series without the method of substitution

Published on 11 Jan 2020 - 7:24

score 173 · Answer 9 · 2026-03-25 19:05:25

173

Views

Why is $\sum_{k=1}^\infty \frac{1}{(b+1)^k}=\frac{1}{b}$?

Published on 25 Mar 2026 - 19:05

score 67 · Answer 10 · 2020-01-12 23:44:44

67

Views

Formula for replacement rate of finite life items required to achieve some exponential growth rate

Published on 12 Jan 2020 - 23:44

score 229 · Answer 11 · 2026-03-25 22:11:22

229

Views

Any reason why the geometric and the arithmetic series are so named?

Published on 25 Mar 2026 - 22:11

score 103 · Answer 12 · 2026-03-25 13:42:09

103

Views

Some identity related to Euler's identity

Published on 25 Mar 2026 - 13:42

score 1.2k · Answer 13 · 2020-01-20 02:00:20

1.2k

Views

What value of x yields the minimum value of this sum?

Published on 20 Jan 2020 - 2:00

score 31 · Answer 14 · 2026-03-26 01:02:37

31

Views

$(a^n-b^n)/(a-b)$ for multivariable monomials

Published on 26 Mar 2026 - 1:02

score 492 · Answer 15 · 2020-01-21 06:23:21

492

Views

Sum of hypergeometric series, but I don't understand hypergeometric series.

Published on 21 Jan 2020 - 6:23

List Question

Find $x+y+z$ given that $x, y , z$ are in an arithmetic series with ratio r, while $x, y+2, z+12$ are in a geometric series with ratio $r+1$.

evaluating infinite sum for $e^{x}$

Show that $r^{2} = 3$ from a geometric series

sum of square roots upper bound

Comparing geometric progression with arithmetic progression to determine common ratio

Find the possible values of $a, b, c$

Partition of unity & intuition behind it.

How to find the value of the common ratio in geometric series without the method of substitution

Why is $\sum_{k=1}^\infty \frac{1}{(b+1)^k}=\frac{1}{b}$?

Formula for replacement rate of finite life items required to achieve some exponential growth rate

Any reason why the geometric and the arithmetic series are so named?

Some identity related to Euler's identity

What value of x yields the minimum value of this sum?

$(a^n-b^n)/(a-b)$ for multivariable monomials

Sum of hypergeometric series, but I don't understand hypergeometric series.

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