6 Which limit can be interpreted as 2 dx? (2+1)= dr? A. lim E (2) 2 (zk+1)° -k=1 n+00 O B. lim E (1) 2 5 k=1 (zx+1)? n00 O C. lim E () n 2 k=1 (zz+1)? n-00 2 O D. lim k=1 n (파+1)2 n+00 O E. lim k (4) in k=1 2(z+1) n+00

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A:

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A:

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