Question

( left(alpha_{r}-gammaright)-(alpha-delta)=frac{8-gamma}{2} )
( gamma, delta ) are roots ob ( x^{2}+p x-r=0 )
( gamma=frac{-p+sqrt{p^{2}-4 r}}{2} )
[
begin{aligned} delta &=-p-frac{sqrt{p^{2}-4 r}}{2} f-gamma &=pm sqrt{p^{2}-4 r} end{aligned}
]

# 40 Ifa. Bare the roots of quadratic equation x2 + px +q=0 and y,8 are the roots of x + px -r=0, then («- »)-(4-5) is equal to :

Solution