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Jul
7
revised How to derive the 3D equation of a torus?
added 28 characters in body
Jul
7
revised Determine whether $\sum \frac{2^n + n^2 3^n}{6^n}$ converges
added 2 characters in body
Jul
6
revised How do I show $\lim_{x\to\infty}f(x) = \lim_{x\to\infty} f '(x)=0$ if $\lim_{x\to\infty}f '(x)^2 + f(x)^3 = 0$?
added 10 characters in body
Jul
6
revised What is the general Ito formula for a function of two processes
edited body; edited tags
Jun
24
revised How to evaluate $\frac{2^{f(\tan x)}-2^{f(\sin x)}}{x^{2}f(\sin x)}$ as $x \to 0$?
added 7 characters in body; edited title
Jun
24
revised A tricky arithmetic progression question
deleted 18 characters in body
Jun
24
revised Defining set of interior points of a triangle
added 245 characters in body
Jun
23
revised Defining set of interior points of a triangle
added 57 characters in body
Jun
23
revised Solve in positive integers: $5^x 7^y +4=3^z$
edited title
Jun
21
revised Expand the Taylor series for the following mind-boggling expression at $x = 0$
added 116 characters in body
Jun
17
revised The general solution to the differential equation
added 1 character in body
Jun
16
revised Problem with Solve a Differential Equation
edited tags
Jun
16
revised Problem with Solve a Differential Equation
added 31 characters in body
Jun
16
revised How to find number which is greater?
edited body
Jun
16
revised How to find number which is greater?
added 294 characters in body
Jun
16
revised Prove that $2^{mn}$ is always greater than or equal to $m^n$
added 1 character in body
Jun
11
revised Solving this Inequation
added 138 characters in body
Jun
11
revised Probability of not choosing from a lot
added 323 characters in body
Jun
11
revised Find limit of the quotient
added 175 characters in body; edited title
Jun
10
revised Connection between $\epsilon-\delta$ definition of limit and Weierstrass definition of continuous functions
added 1 character in body