Vectors – Calculate scalar multiplication – Exercise 4486

Exercise

Calculate the multiplication

$(5\vec{a}+3\vec{b})\cdot (2\vec{a}-\vec{b})$

Given that

$|\vec{a}|=2,|\vec{b}|=3,\vec{a}\bot\vec{b}$

Final Answer

$(5\vec{a}+3\vec{b})\cdot (2\vec{a}-\vec{b})=13$

Solution

Coming soon…

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