If $\left| {z - 3 - 4i} \right| = 4$ , where $i = \sqrt { - 1} $ , then maximum possible value of $|z|$ is
$9$
$7$
$5$
$6$
$|z-3-4 i|=4$
$||z|-5| \leq 4$
$|z| \leq 9$
Solve the equation $\sqrt{2} x^{2}+x+\sqrt{2}=0$
Solve the equation $x^{2}+3=0$
Let $z$ and $w$ be two complex numbers such that $|z|\, \le 1,$ $|w|\, \le 1$and $|z + iw|\, = \,|z – i\overline w | = 2$. Then $z$ is equal to
Solve the equation $x^{2}+\frac{x}{\sqrt{2}}+1=0$
The least positive integer $n$ which will reduce ${\left( {\frac{{i – 1}}{{i + 1}}} \right)^n}$ to a real number, is
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