Question

$\alpha = \frac{y^{t}*y }{y^{t} *x}$

Answer 1

$\large\boxed{\begin{array}{l}\rm\alpha=\dfrac{\backslash\!\!\!y' \cdot y}{\backslash\!\!\!y'\cdot x}\\\\\rm \alpha=\dfrac{y}{x}\end{array}}$