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Help, double integrals, I cant get answer:
∫[from 0 to infinity] (tan−1(5x)−tan−1(2x))/(x) dx. I got:
∫[from 2 to 5] (1/(1+(xy)^2)) dy.? Roberto Tello G-mail? How do I write out: minus I-H-R-D sine D-T equals minus D squared psi D-X squared plus V of X? What is the easiest way To solve Bigpond login issues? Dollar to Ph peso rate?