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Find 2u - 3v u=4i,v=5j\mathbf { u } = 4 \mathbf { i } , \mathbf { v } = 5 \mathbf { j }

Question 3

Multiple Choice

Find 2u - 3v.? u=4i,v=5j\mathbf { u } = 4 \mathbf { i } , \mathbf { v } = 5 \mathbf { j } ?


A) ? 15i8j15 \mathbf { i } - 8 \mathbf { j }
B) 4i5j4 \mathbf { i } - 5 \mathbf { j }
C) 8i15j- 8 \mathbf { i } - 15 \mathbf { j } ?
D) 8i15j8 \mathbf { i } - 15 \mathbf { j }
E) 8i+15j8 \mathbf { i } + 15 \mathbf { j } ?

Correct Answer:

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