Solution:
Solution
Since, α,β are the roots of x2+px+q=0
α+β=−p and αβ=q
Also, γ,δ are roots of x2+px+r=0,
γ+δ=−p and γδ=r
consider
$$ \left(\alpha -\gamma \right) \left(\alpha -\delta \right)/\left(\beta -\gamma \right) \left(\beta -\delta \right) =$$

=1