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### Question Asked by a Student from EXXAMM.com Team

** Q 2213167040. ** If the resultant of three forces

`vec(F_1) = p hat(i) + 3 hat(j) - hat(k) , vec(F_2) = - 5 hat(i) + hat(j) + 2 hat(k)` and `vec(F_3) = 6 hat(i) - hat(k)` acting

on a particle has a magnitude equal to `5` units, then the

values of `p` are `- 4` and `2`.