A) - r
B) r
C) 2 r
D) - 2 r
Correct Answer: B
Solution :
Given that, \[\alpha +\beta =0\] \[\alpha +\beta +\gamma =-p\Rightarrow \gamma =-p\] Substituting \[\gamma =-p\]in the given equation Þ \[-{{p}^{3}}+{{p}^{3}}-pq+r=0\Rightarrow pq=r\].You need to login to perform this action.
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