If $\alpha , \beta , \gamma$ are the roots of the equation $x^3+4x+1=0$, then${\left(\alpha +\beta \right)}^{-1}+{\left(\beta +\gamma \right)}^{-1}+{\left(\gamma +\alpha \right)}^{-1}$ is equal to

The sum of the zeroes of the polynomial $p\left(x\right)=5x^2+2x-3$ is

If $\alpha , \beta$ and $\gamma$ are the zeros of a cubic polynomial $p\left(x\right)=a{x}^3+b{x}^2+cx+d, a\ne 0$ then $\frac{1}{\alpha }+\frac{1}{\beta }+\frac{1}{\gamma }=$ _____.

The zeros of a quadratic polynomial _____ are $4$ and $3$.