Explicación:
∆r = r(3) - r(2)
9(3) i - 9(2) i ; (5(3)-10(3)^2) j - (5(2)-10(2)^2) j
∆r = 9i - 45j
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Explicación:
∆r = r(3) - r(2)
9(3) i - 9(2) i ; (5(3)-10(3)^2) j - (5(2)-10(2)^2) j
∆r = 9i - 45j