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###### Can anyone solve these questions asap? 1. (18 points) Determine if the following limits exist. In...

can anyone solve these questions asap?

1. (18 points) Determine if the following limits exist. In each case prove and explain your argument. (a) lim ху x=(1,5) x + y lim x+(0,0) x2 + y2 (c) 4.xyz (b) x²y² lim x+(0,0) x4 + 3y4

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