In the diagram below, we have vectors{AB}=3 f{a} and {AC}=4 {b} are shown. Point D lies on the line BC such that BD:DC=1:3.
Write the vector {AD} in terms of f{a} and f{b}.
The vector goes 3 spaces to the right and 2 spaces up, so would be expressed like (32). If the vector goes left, the x value is negative, and if it goes down, the y value is negative.
In the diagram below, we have vectors{AB}=3 f{a} and {AC}=4 {b} are shown. Point D lies on the line BC such that BD:DC=1:3.
Write the vector {AD} in terms of f{a} and f{b}.
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