Limits and Continuity Formula

Limits-and-continuity-Formula
WhatsApp

Algebraic Limits

\lim_{x \to a} \frac{x^n-a^n}{x - a} =na^{n-1}, n\ \epsilon\ Q
\lim_{x \to 0} \frac{(1+x)^n-1}{x} =n, n\ \epsilon\ Q

Trigonometric Limits

\lim_{x \to 0} \frac{sinx}{x} =1= \lim_{x \to 0} \frac{x}{sinx}
\lim_{x \to 0} \frac{tanx}{x} =1= \lim_{x \to 0} \frac{x}{tanx}
\lim_{x \to 0} \frac{sin^{-1}x}{x} =1= \lim_{x \to 0} \frac{x}{sin^{-1}x}
\lim_{x \to 0} \frac{tan^{-1}x}{x} =1= \lim_{x \to 0} \frac{x}{tan^{-1}x}

Exponential Limits

\lim_{x \to 0} \frac{e^x-1}{x} =1
\lim_{x \to 0} \frac{a^x-1}{x} =log_ea

Logarithmic Limits

\lim_{x \to 0} \frac{log_e(1+x)}{x} =1
\lim_{x \to e}{log_ex} =1
\lim_{x \to 0} \frac{log_e(1-x)}{x} =-1
\lim_{x \to 0} \frac{log_a(1+x)}{x} =log_ae

Particular Cases

\lim_{x \to 0} {(1+x)}^{1\over x} =e
\lim_{x \to 0} {(1+{1\over x})}^{x} =e

≫ You May Also Like