Math Problem Statement

Buktikan bahwa y1=\left\vert y^{-1}\right\vert= y1\left\vert y\right\vert^{-1}

Solution

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Math Problem Analysis

Mathematical Concepts

Absolute Value
Inverse Operations
Real Numbers

Formulas

Definition of absolute value: \( \left\vert y \right\vert = y \) if \( y \geq 0 \), \( \left\vert y \right\vert = -y \) if \( y < 0 \)
Inverse: \( y^{-1} = \frac{1}{y} \)
Absolute value of an inverse: \( \left\vert y^{-1} \right\vert = \frac{1}{\left\vert y \right\vert} \)

Theorems

Properties of Absolute Value
Properties of Inverses

Suitable Grade Level

Grades 10-12