Clarinetist

 123 $\epsilon$-$\delta$ proof that $\lim\limits_{x \to 1} \frac{1}{x} = 1$. 47 What is the difference between “expectation”, “variance” for statistics versus probability textbooks? 36 A proof of the product rule using the single variable chain rule? 30 How to algebraically solve $\frac{1}{x} < 5$ inequality to obtain two solutions? 14 Probability of the union of $3$ events?

### Reputation (16,605)

 +10 How to find the closed form formula for $\hat{\beta}$ while using ordinary least squares estimation? +10 Big $O$, little $o$ Notation +10 Notations regarding Random Variables. +10 If $K \leq H \leq G$, show that $[G:K] = [G:H][H:K]$.

### Questions (254)

 19 When are graphs deceiving? 15 What is the purpose of Jordan Canonical Form? 12 If $K \leq H \leq G$, show that $[G:K] = [G:H][H:K]$. 10 A better resource for vector calculus than Stewart? 9 Big $O$, little $o$ Notation

### Tags (201)

 270 probability × 213 126 epsilon-delta × 4 179 real-analysis × 58 117 probability-distributions × 92 176 limits × 33 95 probability-theory × 74 165 calculus × 96 70 soft-question × 7 161 statistics × 116 55 integration × 44

### Bookmarks (269)

 924 Can I use my powers for good? [closed] 799 How to study math to really understand it and have a healthy lifestyle with free time? [closed] 323 How can you prove that a function has no closed form integral? 207 Identification of a quadrilateral as a trapezoid, rectangle, or square 154 Most ambiguous and inconsistent phrases and notations in maths