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Vectors drawn from the origin O to the p...

Vectors drawn from the origin `O` to the points `A , B` and `C` are respectively ` vec a , vec b` and `4veca- 3vecbdot` find ` vec(AC)` and `vec(BC)dot`

Text Solution

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We have, `OA=a,OB=b and OC=4a-3b`
Clearly, `AC=OC-OA=(4a-3b)-(a)`
`=3a-3b`
and `BC=OC-OB=(4a-3b)-(b)=4a-4b`
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