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प्रश्न
State True or False for the following:
Multiplication of a non-zero complex number by –i rotates the point about origin through a right angle in the anti-clockwise direction.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
Let z = x + yi
z.i = (x + yi)i = xi – y
Which rotates at angle of 180°.
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