# Vectors – Calculate a vector in absolute value – Exercise 4495

Exercise

Calculate the expression

$$|2\vec{a}-\vec{b}|$$

Given the following

$$|\vec{a}|=1,|\vec{b}|=2,\angle (\vec{a},\vec{b})=60^{\circ}$$

$$|2\vec{a}-\vec{b}|=2$$