\(\frac{\sqrt{45}-\sqrt{20}}{\sqrt{5}}\) का मान क्या है?
What is the value of \(\frac{\sqrt{45}-\sqrt{20}}{\sqrt{5}}\)?
Explanation opens after your attempt
A. (1)
Concept
\(\sqrt{45}=3\sqrt{5}\) and \(\sqrt{20}=2\sqrt{5}\), so the numerator is \(\sqrt{5}\). Dividing gives (1).
Why this answer is correct
The correct answer is A. (1). \(\sqrt{45}=3\sqrt{5}\) and \(\sqrt{20}=2\sqrt{5}\), so the numerator is \(\sqrt{5}\). Dividing gives (1).
Exam Tip
\(\sqrt{45}=3\sqrt{5}\) और \(\sqrt{20}=2\sqrt{5}\), इसलिए अंश \(\sqrt{5}\) है। भाग देने पर (1) मिलता है।
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