Question
Write in terms of \( i \). Simplify your answer as much as possible. \[ \sqrt{-26} \]
Ask by Weaver Brewer. in the United States
Jan 24,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
\(\sqrt{-26} = i\sqrt{26}\)
Solution
To simplify \(\sqrt{-26}\) in terms of the imaginary unit \(i\), follow these steps:
1. **Understand the Imaginary Unit:**
The imaginary unit \(i\) is defined as \(i = \sqrt{-1}\).
2. **Express the Square Root of a Negative Number:**
For any positive real number \(k\), \(\sqrt{-k} = i\sqrt{k}\).
3. **Apply to \(\sqrt{-26}\):**
\[
\sqrt{-26} = i\sqrt{26}
\]
So, the simplified form of \(\sqrt{-26}\) is:
\[
\sqrt{-26} = i\sqrt{26}
\]
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Beyond the Answer
To express \( \sqrt{-26} \) in terms of \( i \), we can use the property that \( i \) is defined as \( \sqrt{-1} \). This allows us to rewrite the square root of a negative number. First, we can separate the expression: \[ \sqrt{-26} = \sqrt{26 \cdot -1} = \sqrt{26} \cdot \sqrt{-1} = \sqrt{26} \cdot i \] So, the simplified form of \( \sqrt{-26} \) in terms of \( i \) is: \[ \sqrt{-26} = i\sqrt{26} \]