1.

Using the trapezoidal rule, and dividing the interval of integration into three equal subintervals, the definite integral \(\mathop \smallint \limits_{ - 1}^{ + 1} \left| x \right|dx\) is _____

A. 1.11
B. 2.22
C. 3.33
D. 4.44
Answer» B. 2.22


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