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Find the Indicated Vector a=⟨8,9⟩\mathbf { a } = \langle 8,9 \rangle

Question 132

Multiple Choice

Find the indicated vector.
-Let a=⟨8,9⟩\mathbf { a } = \langle 8,9 \rangle . Find 9a9 \mathbf { a } .


A) ⟨−72,81⟩\langle - 72,81 \rangle
B) ⟨72,−81⟩\langle 72 , - 81 \rangle
C) ⟨−72,−81⟩\langle - 72 , - 81 \rangle
D) ⟨72,81⟩\langle 72,81 \rangle

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