Math, asked by pranav188, 1 year ago

given z=i-root 7 find |z|+|-z|

Answers

Answered by Anonymous

1

z=i-root7
-z=-i+root7
|z|+|-z|=i^2+7-2iroot7+i^2+7-2iroot7
=-2+14-4i root7
=12-4i root 7

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