P=(-2,2) Q=(3,4) S=(2,-8)

PS-3PQ

Find the component form and magnitude of the vector.

4 answers

PS-3PQ
= (-10,4) - 3(2,5)
= (-10,4) + (-6,-15)
= (-16,-11)

magnitude is √((-16)^2 + (-11)^2)
= √377
thank You
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I dont understand how you got the answer. could you pls explain?