are multiply-defined or piecewise-defined functions.
While e
valuating integ
rals of multiply- or
piecewise-defined functions we have to split the
interval of integration into sub-intervals and write
the integral as the sum of integrals over the respec-
tive subintervals with the corresponding values of
the function taken as the integrands. Thus,
02
02
1012
2101
()0.cos;()
1.0.(1)(1)
fxdxdxxdxgxdx
dxdxxdxxdx
pp ...
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