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Let ABCD is a square with sides of unit ...

Let ABCD is a square with sides of unit lenghts . Points E and F are taken on sides AB and AD respectively so that AE =AF . Let P be a point inside the square ABCD.
The value of `(PA)^(2)-(PB)^(2)+(PC)^(2)-(PD)^(2)` is equal to -

A

3

B

2

C

1

D

0

Text Solution

Verified by Experts

The correct Answer is:
D
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