\(\sqrt{45}-\sqrt{5}\) का मान क्या है?
What is the value of \(\sqrt{45}-\sqrt{5}\)?
Explanation opens after your attempt
A. \(2\sqrt{5}\)
Concept
\(\sqrt{45}=3\sqrt{5}\) so the result is \(2\sqrt{5}\). Factor perfect squares.
Why this answer is correct
The correct answer is A. \(2\sqrt{5}\). \(\sqrt{45}=3\sqrt{5}\) so the result is \(2\sqrt{5}\). Factor perfect squares.
Exam Tip
\(\sqrt{45}=3\sqrt{5}\) इसलिए उत्तर \(2\sqrt{5}\) है। वर्ग गुणनखंड करें।
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