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If the axes are rotated through an angle...

If the axes are rotated through an angle `60^(@)` then the cpprdinates of a point `(2,-4sqrt3)` in the old system are

A

`(5 sqrt3,-7)`

B

`(7,-sqrt3)`

C

`(3sqrt3,-5)`

D

`(-1,-5)`

Text Solution

Verified by Experts

The correct Answer is:
B
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