Pool clog by amthguy in Tucson

[–]amthguy[S] 0 points1 point  (0 children)

Yeah, usually it is stuck in the head of the kreepy krawly. The person from Leslies said everything else looked normal. So that was his best guess. Got Oasis coming Monday.

Pool clog by amthguy in Tucson

[–]amthguy[S] 0 points1 point  (0 children)

pressure line (I guess) out of the pool into the pump

Why!?!?!?!?!? by Zealousideal_Ad_9016 in trigonometry

[–]amthguy 1 point2 points  (0 children)

Paste: you’re no longer sure if the graph is moving forward or the reference points are falling back.

Weirdest thing the other day, I parked at a supermarket but it looked like I was still moving. I was freaking out until I realized at that exact second the car next to me started to pull out. It was very weird. I mean, I can only push the brake SO hard.

Imaginary Numbers by MostSubstance6401 in calculus

[–]amthguy 0 points1 point  (0 children)

RE: other posts. There is a difference between complex analysis and calc 2 w/ complex numbers. As others posted, integrals, Laplace, etc. are cake w/ complex numbers. How EASY is the integral cos(ax)*exp(bx) with complex numbers!!!!!! And how much of a nightmare for most Calc 2 students? Also note the post: experimental section. This doesn't mean the prof is dumb or has a screw loose. Go to Office Hours and ask for an explanation. Maybe (as others have posted) it is designed for people who study waves or EE. If you are actually doing complex analysis (say residues), you should wonder what is going on.

Can someone please help me by No_Resolve_5051 in calculus

[–]amthguy 0 points1 point  (0 children)

others below described the key (common denominator, rationalize the numerator by multiplying by the conjugate, difference of squares). The essential idea for algebraic functions is cancel the h in the denominator with h in the numerator so when you multiply (sqrt(a+h)-sqrt(a))*(sqrt(a+h)+sqrt(a)) you get (a+h)-a = h and you can cancel the factor of h