Vectors – Calculate area of a parallelogram – Exercise 4528

Exercise

Calculate the area of the parallelogram ABCD built on the vectors

$\vec{a}+3\vec{b},3\vec{a}+\vec{b}$

Given

$|\vec{a}|=|\vec{b}|=1,\angle (\vec{a},\vec{b})=30^{\circ}$

Final Answer

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Solution

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