Question

QUIZ!

Answer 1

need a hug?

Answer 2

what is the solution of

\[\frac{ 1 }{ (x+y)^{2} + 1 } dx + (1 +\frac{ 1 }{ (x+y)^{2} +1 }) dy = 0\]
(exact differential equations)

is the answer F = arctan (x+y) +y
?????

Answer 3

any idea???

Answer 4

no idea...

Answer 5

ok.., never mind @Haleyyy :D

Answer 6

haha i'm sorry i'm not the smartest! :D

Answer 7

yes, you integrate both of them ; taking comon term once so yeah, you are right

Answer 8

@Haleyyy No problem :D

@Libniz : thank u Libniz :D