CBSE Class 12 Mathematics 2026 Main Paper 65/1/2 · Q181 Marksextrema CBSE Class 12 Mathematics 2026 Main Paper 65/1/2 · Question 18 (Applications Of Derivatives) Find the absolute maximum of x²+1 on [−5,2]. (A) 26(B) 1(C) 5(D) 2