Math Problem Statement

Виріши задачу з фото

Solution

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Math Problem Analysis

Mathematical Concepts

Vector Algebra
Dot Product
Geometry of Parallelograms
Cosine of Angle Between Vectors

Formulas

Dot Product Formula: \(\vec{p} \cdot \vec{q} = |\vec{p}| |\vec{q}| \cos(\theta)\)
Magnitude of Vectors: \(|\vec{a}|^2 = (\vec{p} - 3\vec{q}) \cdot (\vec{p} - 3\vec{q})\)
Angle Between Vectors: \(\cos \theta = \frac{\vec{a} \cdot \vec{b}}{|\vec{a}| |\vec{b}|}\)

Theorems

Cosine Theorem for Vectors
Scalar (Dot) Product Theorem

Suitable Grade Level

Grades 11-12 or College Level