Math Problem Statement

kan du forklare hvordan man gjør denne 122\frac{1}{\frac{\sqrt{2}}{2}}

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Simplifying Expressions
Rationalization

Formulas

Division by fractions: \( \frac{a}{\frac{b}{c}} = a \times \frac{c}{b} \)
Rationalizing the denominator: \( \frac{1}{\sqrt{a}} \times \frac{\sqrt{a}}{\sqrt{a}} = \frac{\sqrt{a}}{a} \)

Theorems

Multiplication of square roots: \( \sqrt{a} \times \sqrt{a} = a \)
Fraction inversion rule: Dividing by a fraction is the same as multiplying by its reciprocal.

Suitable Grade Level

Grades 8-10