Hi everyone,

I'm trying to do an exercise about jacobian matrix but I don't really know how to do it can you help me? The exercise says:

$\displaystyle H:R \rightarrow R^3$ is a $\displaystyle C^1$ vectorial field in $\displaystyle R$ and $\displaystyle G:R^2 \rightarrow R^3$ is defined as follow:

$\displaystyle G(x,y) = H(x^2+3y)$

Calculate $\displaystyle JH(6)$ knowing that $\displaystyle JG(0,2) = \begin{pmatrix} 0 & 3 \\ 0 & 0 \\ 0 & -6 \end{pmatrix}$