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The point represented by the complex num...

The point represented by the complex number `(2-i)` is rotated about origin through an angle of `pi/2` in clockwise direction. The new position of the point will be-

A

`1+2i`

B

`-1-2i`

C

`2+i`

D

`-1+2i`

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The correct Answer is:
B
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