Using the inner product \(\langle f, g\rangle=\int_{-1}^{1} f(x) g(x) d x\), for which values of the real constants \(\alpha, \beta, \gamma\) are the quadratic polynomials \(p_{1}(x)=1, \quad p_{2}(x)=\alpha+x \quad p_{3}(x)=\beta+\gamma x+x^{2}\) orthogonal? ]