Expression 4: "f" left parenthesis, "x" , right parenthesis equals sine left parenthesis, 4 "x" , right parenthesis "e" Superscript, negative StartFraction, "x" squared Over 2 , EndFraction , Baselinefx=sin4xe−x22
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Computation of the integral:
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Expression 6: Start integral from "a" to "b" , end integral, "f" left parenthesis, "t" , right parenthesis "d" "t"∫baftdt