\frac{f(x)-f(a)}{x-a}=f'(a)\Leftrightarrow\ f(x)=f(a)-af'(a)+f'(a)x=A+Bx \ \ f(x)
Embed the image to your blog in HTML, Markdown, Textile, BBCode.
Recent Referers:
  1. http://localhost:8000/