1,689 reputation
1514
bio website
location
age
visits member for 2 years, 7 months
seen 2 days ago

Nov
21
revised $\lim_{x \to \infty} x\sin(\frac{1}{x}) = 1$ (epsilon-delta like condition)
added 7 characters in body
Nov
21
revised $\lim_{x \to \infty} x\sin(\frac{1}{x}) = 1$ (epsilon-delta like condition)
Title edited; \text{sin}{...} -> \sin{...}
Jul
19
revised simple vector multiplication
edited body
Jul
19
revised Proving associativity on $\mathbb{Q}$
added 214 characters in body
Jul
8
revised How to determine if it is l'Hopital's or not?
added 101 characters in body
Jun
26
revised How to express $\lnot (a < b < 0)$ or the contrapositive of this statement?
deleted 351 characters in body
Jun
26
revised How to express $\lnot (a < b < 0)$ or the contrapositive of this statement?
edited body
Jun
26
revised How to express $\lnot (a < b < 0)$ or the contrapositive of this statement?
deleted 2 characters in body
Jun
26
revised How to express $\lnot (a < b < 0)$ or the contrapositive of this statement?
deleted 2 characters in body
Jun
25
revised function, strange formula from Discrete mathematics
added 64 characters in body
Jun
25
revised function, strange formula from Discrete mathematics
added 57 characters in body
Jun
24
revised solve the equation for x
added 4 characters in body
Jun
24
revised $\operatorname{Var}(\hat{\beta_1})=\frac{\sigma^2}{\sum(X_i-\bar{X})^2}$ : how to derive this?
added 1 character in body
Jun
24
revised Solving $2x+8=6x-12$ by using the guess and check method
added 8 characters in body
Jun
23
revised Find the distribution of $X_1^2 + X_2^2$?
added 27 characters in body
Jun
23
revised The chain rule: differentiation in several variables
added 126 characters in body
Jun
20
revised Proof that intersection of two subspaces is {0}
added 5 characters in body
Jun
16
revised Hypothesis testing: Test statistic, P-value and significance levels
added 4 characters in body
Jun
16
revised Hypothesis testing: Test statistic, P-value and significance levels
added 4 characters in body
Jun
16
revised Hypothesis testing: Test statistic, P-value and significance levels
added 4 characters in body