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Two vectors vec(P) " and "vec(Q) are ad...

Two vectors `vec(P) " and "vec(Q)` are added, the magnitude of resultant is 15 units. If `vec(Q)` is reversed and added to `vec(P)` resultant has a magnitude `sqrt(113)` units. The resultant of `vec(P)` and a vector perpendicular ` vec(P)` and equal in magnitude to` vec(Q)` has a magnitude

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