f(x,y)=3x^2+2y^2

f(x,y)=x^4y^2

f(x,y)=3x+2y

f(x,y,z)=3x+2y+4z

f(x,y,z)=3x^2+2y^2+4z^2

### 1 Answer

1sr : grad f = < 6x , 4y > ; last : grad f = < 6x , 4y , 8 z >

f(x,y)=3x^2+2y^2

f(x,y)=x^4y^2

f(x,y)=3x+2y

f(x,y,z)=3x+2y+4z

f(x,y,z)=3x^2+2y^2+4z^2

1sr : grad f = < 6x , 4y > ; last : grad f = < 6x , 4y , 8 z >