The quadratic equation `z^2 +(p+ip')z+q+iq' =0` where p,p',q,q' are all real. (A) if the equ
195 views · Published 13 October 2018 · 7:06 · Indexed 6 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW The quadratic equation `z^2 +(p+ip')z+q+iq' =0` where p,p',q,q' are all real. (A) if the equation has one real root then `q'^2-pp'q'+qp'^2=0` (B) if the equation has two equal roots then `pp'=2q'` (C) if the equation has two equal roots then `p^2-p'^2=4q` (D) if the equation has one real root then `p'^2-pp'q'+q'^2=0`
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