Jack Dawkins
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Questions (57)

 42 Bag of tricks in Advanced Calculus/ Real Analysis/Complex Analysis 14 A field of order $32$ 12 Finding all matrices $B$ such that $AB=BA$ for a fixed matrix $A$ 11 Typos in Hoffman and Kunze 10 Cardinality of the quotient ring $\mathbb{Z}[x]/(x^2-3,2x+4)$ [duplicate]

Reputation (1,493)

 +5 Using the identity theorem: can there be an analytic function $f$ with $f\left(\frac{1}{n^2}\right) = \frac{1}{n}$ +5 Cardinality of the quotient ring $\mathbb{Z}[x]/(x^2-3,2x+4)$ +5 Finding all matrices $B$ such that $AB=BA$ for a fixed matrix $A$ +5 counting the number of elements in a conjugacy class of $S_n$

 6 Finding the limit of $\dfrac{\sin x}{2x}$ as $x\to 0$ 5 Values of $6 + \int_a^x \frac{f(t)}{t^2} dt = 2 \sqrt{x}$ 3 Stuck on an epsilon-delta proof where I let delta be a minimum of two values 3 Evaluate $\int_{0}^{\frac{\pi }{2}}\frac{x dx}{\sin x +\cos x}$ 3 How can I find this limit?

Tags (52)

 23 calculus × 12 3 integration × 2 9 limits × 2 3 definite-integrals 6 real-analysis × 11 3 epsilon-delta 6 derivatives × 3 3 sequences-and-series 5 algebra-precalculus 2 linear-algebra × 18

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