Explain why the slope of the secant line through and approaches the slope of the…

MATHEMATICS · Subjective · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

Explain why the slope of the secant line through

(a,f(a))

and

(a+h,f(a+h))

approaches the slope of the tangent line to the graph of

f

x=a

h

approaches

0