Expression 3: "x" Subscript, 2 , Baseline equals 1x2=1
negative 10−10
1010
3
Expression 4: "a" equals Start integral from "x" Subscript, 1 , Baseline to "x" Subscript, 2 , Baseline , end integral, "f" left parenthesis, "x" , right parenthesis "d" "x"a=∫x2x1fxdx