Given P, A and B are three points in the Cartesian system such that PA + PB = 8 and PA – PB = 4, then what can we say about P?
Can't say
Given -
PA + PB = 8
PA - PB = 4
Solving the above two equations we get -
PA = 6
PB = 2
Since we don`t know the position of P, we can`t say anything.