What is y=L(x) ? The tangent line is considered as an approximation of the curve y=f(x)
is called the linear approximation or tangent line approximation is called the linearization of f at a.
Example: F091
We want to approximate Find the tangent line L(x) then use it to find Differential
Example: 081
Example: 092 (a) 0,014 (b) (c) 0.01 (d) (e) 0.045
Example: F091 Next example illustrates the use of differentials in estimating the errors that occur because of approximate measurements.
Example: F091