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