Math, asked by hanumansai41, 6 months ago

if a 6i +2j+3k and b 2 i-9j+6k then find a b and the angle between a and b

Answers

Answered by Anonymous

4

Answer:

sry don't know................and marry Christmas

Answered by thebrainyguy25

2

Step-by-step explanation:

12-18+18=12 12/(7×11)=12/77=cos theta

theta=cos^-1(12/77)

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