4-1.Complex numbers
easy

જો $z$ એ સંકર સંખ્યા હોય તો $z$ અને $ - iz$ વચ્ચેનો ખૂણો મેળવો.

A

$\pi $

B

$0$

C

$ - \frac{\pi }{2}$

D

એકપણ નહીં.

Solution

(c) Since the multiplication of a complex number by $ – i$ rotates through it by a right angle in negative (clockwise) direction.

Standard 11
Mathematics

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