Question: 5. Find each limitor show that it does not exist, justify your answers:(a)lim(x,y)(1,1)y2-x2y4-xy3,(b)lim(x,y)(0,1)2cosx-1-yex-y,(c)lim(x,y)(0,0)-xy2y2+x4,(d)lim(x,y)(2,-1)xy-2y4y2-x2

5. Find each limitor show that it does not exist, justify your answers:(a)lim(x,y)(1,1)y2-x2y4-xy3,(b)lim(x,y)(0,1)2cosx-1-yex-y,(c)lim(x,y)(0,0)-xy2y2+x4,(d)lim(x,y)(2,-1)xy-2y4y2-x2

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