Expression 47: "f" prime left parenthesis, "x" , right parenthesis equals StartFraction, "f" left parenthesis, "b" , right parenthesis minus "f" left parenthesis, "a" , right parenthesis Over "b" minus "a" , EndFractionf′x=fb−fab−a
47
Expression 48: "y" equals StartFraction, "f" left parenthesis, "b" , right parenthesis minus "f" left parenthesis, "a" , right parenthesis Over "b" minus "a" , EndFractiony=fb−fab−a
equals=
0.5 2 5 2 2 9 1 1 2 9 3 30.525229112933
48
Expression 49: "x" equals arc cosine left parenthesis, StartFraction, "f" left parenthesis, "b" , right parenthesis minus "f" left parenthesis, "a" , right parenthesis Over "b" minus "a" , EndFraction , right parenthesisx=arccosfb−fab−a
equals=
1.0 1 7 8 1 1 9 9 5 7 91.01781199579
49
50
powered by
powered by
"a"a
"b"b
( "a" plus Delta "x" , "f" ( "a" plus Delta "x" )(a+Δx,f(a+Δx)