Recent content by mantgx

your assumption is correct thank you guys 100x times

r=(0,1) fi=(0,2pi)

24pi

is the final solution 36pi?

ok, i understand a little now. J=6 ?

∫∫R'√(36u^2+12v^2) J du dv ?

i do not understand how this will help. can please someone solve the problem for me I am desperate

to polar cordinates?

Homework Statement ∫∫D√(9x2+4y2) dx dyD is the region: x2/4+y2/9=1 My understanding is that i have to integrate the function of a density to calculate the mass of plate which is ellipse. Problem is i can't and shouldn't be able to integrate this integral at my level, so am i missing some way...