every-extreme-point-is-a-critical-point-but-every-critical-is-not-a-extreme-point-justify-it-

Question Number 25940 by rita1608 last updated on 16/Dec/17

e v e r y e x t r e m e p o i n t i s a c r i t i c a l

p o i n t b u t e v e r y c r i t i c a l i s n o t a

e x t r e m e p o i n t j u s t i f y i t