Question

find the derivation of x²+y²=25​

Answer 1

Answer:

Use chain rule on the left side and a derivative of a constant is 0.

2

x

d

x

+

2

y

d

y

=

0

Divide both sides by

d

x

.

2

x

+

2

y

d

y

d

x

=

0

Isolate the

d

y

d

x

s.

2

y

d

y

d

x

=

−

2

x

Divide both sides by

2

y

to have only the

d

y

d

x

on one side.

d

y

d

x

=

−

2

x

2

y

Simplify.

d

y

d

x

=

−

x

y

And you're done!