6-Since a =5i ̂-2j ̂+3k ̂ and b =2i ̂-j ̂-3k ̂, what is the result of (b . a)? a) i ̂+4j ̂+11k ̂ B) -9i ̂-21j ̂+k ̂ NS) 4 D) 3 TO) 9i ̂+21j ̂-k ̂

Horizons: Exploring the Universe (MindTap Course List)
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Problem 2RQ: How does the DNA molecule produce a copy of itself?
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6-Since a =5i ̂-2j ̂+3k ̂ and b =2i ̂-j ̂-3k ̂, what is the result of (b . a)?
a)
i ̂+4j ̂+11k ̂

B)
-9i ̂-21j ̂+k ̂

NS)
4

D)
3

TO)
9i ̂+21j ̂-k ̂

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