计算的近似值,正确的语句是
A.Product[Sum[1/j,{j,1,i}],{i,2,10}]//N
B.NProduct[Sum[1/j,{j,1,i}],{i,2,10}]
C.NProduct[Sum[1/j,{i,2,10}],{j,1,i}]
D.NProduct[Sum[1/j,{j,1,10}],{i,2,10}]
- · 有4位网友选择 A,占比50%
- · 有2位网友选择 C,占比25%
- · 有2位网友选择 B,占比25%
A.Product[Sum[1/j,{j,1,i}],{i,2,10}]//N
B.NProduct[Sum[1/j,{j,1,i}],{i,2,10}]
C.NProduct[Sum[1/j,{i,2,10}],{j,1,i}]
D.NProduct[Sum[1/j,{j,1,10}],{i,2,10}]
A.NSum[1/i,{i,17,81,2}]
B.Sum[1/i,{i,17,81,2}]
C.NSum[1/i,{i,17,81}]
D.其他答案均不正确
A.NSum[1/i,{i,17,81,2}]
B.Sum[1/i,{i,17,81,2}]
C.NSum[1/i,{i,17,81}]
D.其他答案均不正确
A.Integrate[Exp[x^2],{x,-2,2}]
B.Nintegrate[Exp[x^2],{x,-2,2}]
C.NIntegrate[Exp[x^2],x]
D.NIntegrate[Exp[x^2],{x,-2,2}]
A.Product[Sum[1/j,{j,1,i}],{i,2,10}]//N
B.NProduct[Sum[1/j,{j,1,i}],{i,2,10}]
C.NProduct[Sum[1/j,{i,2,10}],{j,1,i}]
D.NProduct[Sum[1/j,{j,1,10}],{i,2,10}]
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