Question:$\left|z_{1}+z_{2}\right|^{2}+\left|z_{1}-z_{2}\right|^{2}$ is equal to
$2\left(\left|z_{1}\right|+\left|z_{2}\right|\right)$
$2\left(\left|z_{1}\right|^{2}+\left|z_{2}\right|^{2}\right)$
$\left|z_{1} \| z_{2}\right|$
$\left|z_{1}\right|^{2}+\left|z_{2}\right|^{2}$
Correct Option: 2
JEE Main Previous Year 1 Question of JEE Main from Mathematics Complex Numbers and Quadratic Equations chapter.
JEE Main Previous Year Online May 26, 2012
Solution:
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