Hello Hesham,
In Ex 6.5, 7 of Chapter 6 Class 12 Application of Derivatives here https://www.teachoo.com/4402/712/Ex-6.5--7---Find-both-max--min-value-of-3x4---8x3---12x2/category/Ex-6.5/
We have calculated max and min points, and then calculated values. What is the doubt?
Written on Sept. 12, 2017, 5:49 p.m.