Question

how to derive this:
(x+y)^3=12x

Answer 1

x3+3x2y+3xy2−12x+y3=0

Answer 2

is there any other way? because expanding is too long....
what if the degree is 5??

Answer 3

you know implicit differentiation ?

Answer 4

yes..

Answer 5

so, apply chain rule on left side,
the right side will be just 12

Answer 6

but only the basic

Answer 7

can apply chain rule on left ?

Answer 8

i'm stuck with that part..
on the left side