Q. Let `'z'` be a complex number and `'a'` be a real parameter such that `z^2 + az +a^2=0` then A) locus of `z` is a pair of straight lines B) `arg(z) =+- (2pi)/3)` C) `|z|=|a|` D) All



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aruv's profile pic

Posted on (Answer #1)




which rep. pair of straight line.






Thus correct answer is D.

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