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With $A = \begin{pmatrix} 2 & 1 \\ 1 & 3 \end{pmatrix}$ and $x = (1, 2)^{\top}$ , what is the first component of $\nabla_x (x^{\top}Ax)$ ?

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With A=(2113)A = \begin{pmatrix} 2 & 1 \\ 1 & 3 \end{pmatrix}A=(21​13​) and x=(1,2)⊤x = (1, 2)^{\top}x=(1,2)⊤, what is the first component of ∇x(x⊤Ax)\nabla_x (x^{\top}Ax)∇x​(x⊤Ax)?

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With $A = \begin{pmatrix} 2 & 1 \\ 1 & 3 \end{pmatrix}$ and $x = (1, 2)^{\top}$ , what is the first component of $\nabla_x (x^{\top}Ax)$ ?