Using a unit step size, the volume of integral 21 xlnxdx by trapezoid – McqOptions

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1.	Using a unit step size, the volume of integral ²₁ xlnxdx by trapezoidal rule is ______
A.	0.693
B.	0.669
C.	0.653
D.	0.623
Answer» B. 0.669

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