This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
You will see derivations in many chapters; however, these are simple derivations. In only a few chapters, you will find second derivatives, but if you the basic knowledge of calculus; you can easily solve these.