Question

qual a derivada de x^2+4xy+y^2=13 ?​

Answer 1

Resposta:

2x +4y+4x dy/dx +2y dy/dx=0

dy/dx *(4x+2y) = -(2x+4y)

dy/dx = -(2x+4y)/(4x+2y)

dy/dx = -(x+2y)/(2x+y)