Question

Find the maximum and minimum values of the function f(x,y) = xy subject to the constraint x2/2 + y2/2 = 1. Give the maximum and minimum values and the points at which they are attained.
Help needed Urgently please

Answer 1

is it

Answer 2

Yes please

Answer 3

and u wanna find the max and min thru deri. right

Answer 4

yep

Answer 5

That is Calci III

Answer 6

IT is 1 in usa
nm so the derivative is -x/y right

Answer 7

oh ok

Answer 8

I think partial derivatives is to be applied in solving it but am not getting it. I tried Langrange multiplier too but it was not working......

Answer 9

i think this is simple calc..find minima and extrema points now thts it ur done...

Answer 10

yeah, but I have been working on it for a long time and not getting an answer.....

Answer 11

oh do u want me to just tell the answer

Answer 12

yep, and how you had it

Answer 13

wait a sec will get back

Answer 14

ok. Thanks

Answer 15

here