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Question Number 57480 by mr W last updated on 05/Apr/19

i f F (x, y) = F (y, x) a n d x + y = c (c o n s t a n t)

p r o v e t h a t F_{m a x o r m i n} = F (\frac{c}{2}, \frac{c}{2}) .

Commented by tanmay.chaudhury50@gmail.com last updated on 07/Apr/19

w h a t i s t h e d i f f e r e n c e b e t w e e n F (x, y) a n d F (y, x)

Commented by mr W last updated on 07/Apr/19

e . g .

F (x, y) = \sin (x) \times \sin (y)

F (y, x) = \sin (y) \times \sin (x) = F (x, y)

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