Ltx-0[ cos ax - cos bx/ x2] Share with your friends Share 5 Pooja Khanna answered this Here is the link for the answer to your query: https://www.meritnation.com/ask-answer/question/limit-x-0-cosax-cosbx-xsquare-answer-is-bsquare-asq/limits-and-derivatives/6810767 -3 View Full Answer