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Solution
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Solution provided by AtoZmath.com
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Dot Product of two vectors calculator
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 1. `(3,1,1), (-1,2,1)`
2. `(2,3,1), (0,5,6)`
3. `(2,1,-1), (1,0,-1)`
4. `(5,6,1), (0,2,3)`
5. `(5,-1,1), (-2,3,4)`
6. `(1,1,1), (1,2,3)`
7. `(2,3), (7,18)`
8. `(-2,3), (-4,5)`
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Example1. Find A.B
`A=(3,1,1)`,`B=(-1,2,1)`
Solution:
Here `vec A=(3,1,1),vec B=(-1,2,1)`
`vec A * vec B`
`=A_1*B_1 + A_2*B_2 + A_3*B_3`
`=3*(-1) + 1*2 + 1*1`
`=-3 + 2 + 1`
`=0`
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