Zachary

Questions (83)

 4 Advanced combinatorics question: rows with open en closed brackets 3 Combinatoric proof that $\sum_{k=0}^m \binom{m}{k}\binom{n+k}{m} = \sum_{k=0}^m \binom{n}{k}\binom{m}{m-k}2^k$ 2 Matrix representation proof 2 Solve $\int_0^a x^4 \sqrt{a^2-x^2}dx$ 2 $\iint_{\Sigma} \frac{d\sigma}{\sqrt{x^2+y^2+(z+R)^2}}$ with $\Sigma$ the upper half of the sphere $x^2+y^2+z^2=R^2$

Reputation (357)

 +5 Evaluate $\iint_{\Sigma} \vec{F}\cdot d\vec{\sigma}$: +5 Surface integral: approaching this problem +5 Work done by multivariable force +5 Matrix representation proof

 0 Solving technique when answering True/False questions

Tags (41)

 0 linear-algebra × 20 0 real-analysis × 8 0 multivariable-calculus × 13 0 modular-arithmetic × 6 0 calculus × 11 0 affine-geometry × 6 0 discrete-mathematics × 10 0 field-theory × 4 0 integration × 10 0 combinatorics × 4

Accounts (5)

 Mathematics 357 rep 9 Physics 142 rep 5 MathOverflow 101 rep Code Review 101 rep 2 Stack Overflow 101 rep