0 votes 0 votes The value of $\lim _{x \rightarrow 0}\left[\frac{\cos 2 x-\cos 4 x}{x^{2}}\right]$ is ___________. Others gatebt-2023 + – admin asked May 21, 2023 • edited Nov 18, 2023 by makhdoom ghaya admin 2.7k points answer comment Share Follow See 1 comment See all 1 1 comment reply Aparna 6143 340 points commented Feb 10 reply Follow Share How to solve it Please log in or register to add a comment.