Solved

If u=i8j\mathbf { u } = - \mathbf { i } - 8 \mathbf { j }

Question 24

Multiple Choice

If u=i8j\mathbf { u } = - \mathbf { i } - 8 \mathbf { j } and v=4i+j\mathbf { v } = - 4 \mathbf { i } + \mathbf { j } , find w=3u4v\mathbf { w } = - 3 \mathbf { u } - 4 \mathbf { v } .


A) w=15i+28j\mathbf { w } = 15 \mathbf { i } + 28 \mathbf { j }
B) w=i+40j\mathbf { w } = - \mathbf { i } + 40 \mathbf { j }
C) w=16i+20j\mathbf { w } = 16 \mathbf { i } + 20 \mathbf { j }
D) w=19i+29j\mathbf { w } = 19 \mathbf { i } + 29 \mathbf { j }
E) w=19i+20j\mathbf { w } = 19 \mathbf { i } + 20 \mathbf { j }

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions