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P is a point lying on line y = x then maximum value of `|PA - PB|`, (where`A-=(1, 3), B-=(5, 2)` ) is

A

`sqrt(5)`

B

`2sqrt(2)`

C

`sqrt(17)`

D

`(3)/(sqrt(7))`

Text Solution

Verified by Experts

The correct Answer is:
A
A and B lie on opposite sides
Let be reflection of A in y = x then is maximum value of PA - PB
`A.-=(3,1),B-=(5,2)`
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