Question

Solve for $x$ in $3^x=5^2$ by logarithm.

score 79 · Answer 1 · 2026-04-15 12:17:58

79

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Solve for $x$ in $3^x=5^2$ by logarithm.

Published on 15 Apr 2026 - 12:17

score 69 · Answer 2 · 2026-04-12 19:43:20

69

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Help understanding Logarithmic property in the proof to Big O problem

Published on 12 Apr 2026 - 19:43

score 99 · Answer 3 · 2026-04-15 13:34:27

99

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Problem with showing the inequality $\ln 2 -\frac{1}{2N}<\sum_{n=N+1}^{2N} \frac{1}{n}$

Published on 15 Apr 2026 - 13:34

score 181 · Answer 4 · 2026-04-17 00:46:32

181

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Function $f$ with $f(x_1\cdot x_2)=f(x_1)+f(x_2)$ that is not $\log$?

Published on 17 Apr 2026 - 0:46

score 686 · Answer 5 · 2026-04-16 22:02:33

686

Views

Double-checking correctness of big O formulas found online

Published on 16 Apr 2026 - 22:02

score 67 · Answer 6 · 2026-04-11 06:54:23

67

Views

How do I solve this equation, which includes logarithms,

Published on 11 Apr 2026 - 6:54

score 301 · Answer 7 · 2026-04-15 20:04:35

301

Views

Finding the minimum and maximum values of $q+r$ when $p=3^q\cdot 2^r$ and $100<p<1000$

Published on 15 Apr 2026 - 20:04

score 74 · Answer 8 · 2026-03-25 20:40:22

74

Views

Harmonic function problem

Published on 25 Mar 2026 - 20:40

score 75 · Answer 9 · 2026-03-26 04:36:29

75

Views

How to find $x$ for $-\frac{1}{\sqrt{2}x^{\frac{3}{2}}}=-\frac{1}{4}e^{-\frac{x}{4}}\left(A-B\right)$

Published on 26 Mar 2026 - 4:36

score 89 · Answer 10 · 2026-04-16 22:05:05

89

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To show $\int_0^\infty \left(\frac{\ln x}{1-x}\right)^2dx = \frac{2 π^2}{3}$

Published on 16 Apr 2026 - 22:05

score 71 · Answer 11 · 2026-04-15 08:55:53

71

Views

How many 2-adic integers $x$ satisfy $\lim_{n\to\infty} \sum_{k=0}^n \frac {a_i}n=\log_2(3)$ (modulo addition with eventually zero sequences)?

Published on 15 Apr 2026 - 8:55

score 112 · Answer 12 · 2026-04-16 09:44:51

112

Views

How to solve $2^x +3^y =7 $ and $2x-3y=1$

Published on 16 Apr 2026 - 9:44

score 98 · Answer 13 · 2026-04-15 11:24:08

98

Views

Solutions for the integral $\int\frac{e^x+e^{-x}}{e^x-e^{-x}}dx$

Published on 15 Apr 2026 - 11:24

score 97 · Answer 14 · 2026-04-16 07:47:43

97

Views

What is the indefinite integral of $\int \left(-\frac{1}{5x}\right) dx$?

Published on 16 Apr 2026 - 7:47

score 1.1k · Answer 15 · 2026-04-16 18:38:04

1.1k

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Limit of $\lim _{\left(x,y\right)\to \left(0,0\right)}\left(\left(xy\right)\ln \left(x^2+y^2\right)\right)$

Published on 16 Apr 2026 - 18:38

List Question

Solve for $x$ in $3^x=5^2$ by logarithm.

Help understanding Logarithmic property in the proof to Big O problem

Problem with showing the inequality $\ln 2 -\frac{1}{2N}<\sum_{n=N+1}^{2N} \frac{1}{n}$

Function $f$ with $f(x_1\cdot x_2)=f(x_1)+f(x_2)$ that is not $\log$?

Double-checking correctness of big O formulas found online

How do I solve this equation, which includes logarithms,

Finding the minimum and maximum values of $q+r$ when $p=3^q\cdot 2^r$ and $100<p<1000$

Harmonic function problem

How to find $x$ for $-\frac{1}{\sqrt{2}x^{\frac{3}{2}}}=-\frac{1}{4}e^{-\frac{x}{4}}\left(A-B\right)$

To show $\int_0^\infty \left(\frac{\ln x}{1-x}\right)^2dx = \frac{2 π^2}{3}$

How many 2-adic integers $x$ satisfy $\lim_{n\to\infty} \sum_{k=0}^n \frac {a_i}n=\log_2(3)$ (modulo addition with eventually zero sequences)?

How to solve $2^x +3^y =7 $ and $2x-3y=1$

Solutions for the integral $\int\frac{e^x+e^{-x}}{e^x-e^{-x}}dx$

What is the indefinite integral of $\int \left(-\frac{1}{5x}\right) dx$?

Limit of $\lim _{\left(x,y\right)\to \left(0,0\right)}\left(\left(xy\right)\ln \left(x^2+y^2\right)\right)$

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