Question: [ 8 ] Show that lim ( x , y ) ( 0 , 0 ) x 2 c o s 2 y x 2

[8] Show that
lim(x,y)(0,0)x2cos2yx2+y2
does not exist.
[ 8 ] Show that lim ( x , y ) ( 0 , 0 ) x 2 c o s

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