ok i got alright at the limits with two variables (to an extent haha) but now i have this limit: lim (x,y,z) --> (0,0,0) of (2(x^2)ycos(z))/(x^2 + y^2) where do i start?
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The variable z is only in the term that is equal to 1 for z=0, so that the 'real' limit is... Kind regards
Originally Posted by BrianMath ok i got alright at the limits with two variables (to an extent haha) but now i have this limit: lim (x,y,z) --> (0,0,0) of (2(x^2)ycos(z))/(x^2 + y^2) where do i start? Never mind.
Use sandwich.
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