Dostre

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bio website location age 21 member for 1 year, 1 month seen May 20 at 5:27 profile views 75

Economics major with math concentration at Drexel. At the same time I am an athlete. I play basketball.

37 Questions

 4 Derivative of the $f(x,y)=\min(x,y)$ 4 Proving that matrix $B=C$ 3 Find equation of a plane that passes through point and contains the intersection line of 2 other planes 3 Using the definition of a concave function prove that $f(x)=4-x^2$ is concave (do not use derivative). 2 Nonhomogeneous second order ODE

392 Reputation

 +5 What is Putnam exam/competition? +8 Solving an equation with $x$ as powers +10 How to solve $\sinh x = x$? +10 To determine whether the integral $\int_0^{\infty} \frac{\sin{(ax+b)}}{x^p} \,\mathrm dx$ converges for $p>0$

 2 To determine whether the integral $\int_0^{\infty} \frac{\sin{(ax+b)}}{x^p} \,\mathrm dx$ converges for $p>0$ 2 Using the definition of a concave function prove that $f(x)=4-x^2$ is concave (do not use derivative). 1 How to solve $\sinh x = x$? 1 Solutions to Differential Equations - real, real repeating, and imaginary (for economics) 1 Level Sets, Curves, and Surfaces

28 Tags

 3 homework × 26 2 integral × 2 3 economics × 9 2 improper-integrals 3 calculus × 7 1 differential-equations × 6 3 convex-analysis × 6 1 exponential-function 2 multivariable-calculus × 17 1 graphing-functions

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