1.

Given that the equation \[{{z}^{2}}+(p+iq)z+r+i\,s=0,\] where \[p,q,r,s\] are real and non-zero has a real root, then

A. \[pqr={{r}^{2}}+{{p}^{2}}s\]
B. \[prs={{q}^{2}}+{{r}^{2}}p\]
C. \[qrs={{p}^{2}}+{{s}^{2}}q\]
D. \[pqs={{s}^{2}}+{{q}^{2}}r\]
Answer» E.


Discussion

No Comment Found