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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.? Why did bromobenzene have an SN2 reaction when reacting with NaI/acetone (after being placed in a warm bath). Why did this happen? 20 balloons have to be divided among between group a and group b inthe ratio 2:3. how many ballons will each group recieve? Planck quantum theory just remain theory why isn t a law ? What is the easiest way To solve Bigpond login issues?