The arc length of the curve is given by the following integral
5
Expression 6: "a" Subscript, "l" "e" "n" , Baseline equals Start integral from "a" to "b" , end integral, StartRoot, 1 plus left parenthesis, StartFraction, "d" Over "d" "x" , EndFraction left parenthesis, "f" left parenthesis, "x" , right parenthesis , right parenthesis , right parenthesis squared , EndRoot "d" "x"alen=∫ba1+ddxfx2dx