CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

Evaluate

\displaystyle \lim_{x \to 0} \dfrac{1-\cos(5x)}{x^{2}}

. (a)

\dfrac{5}{2}

(b)

\dfrac{1}{2}

(c)

\dfrac{25}{2}

(d)

25