Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
You are not logged in.
You could have chosen
as the factorization. Now the result follows.
In mathematics, you don't understand things. You just get used to them.
Some cause happiness wherever they go; others, whenever they go.
If you can not overcome with talent...overcome with effort.
Hi Bob bundy,
now from here convert to polar co-ordinates
EDIT: I am not sure what the integration limits for theta would be...if it is 0 to pi/2, then this works out.
let u = r^2, du = 2rdr
since we squared the original equation, we square root the final answer so
This doesnt agree with what wolfram and wikipedia get . Any idea where I went wrong?
Last edited by careless25 (2012-08-09 09:25:31)
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei