NCERT Miscellaneous Exercise Q5 - Continuity and Differentiability

Question: Differentiate / solve Miscellaneous Exercise Q5 as printed in NCERT Chapter 5.

Answer: 3 2 1 2 cos 1 2 4 2 7 (2 7) x x x x −     − +   − +   +  

Full step-by-step NCERT solution with diagrams on Something by Zero.