\(\sqrt{45}+\sqrt{20}-\sqrt{80}\) किसके बराबर है?
What is \(\sqrt{45}+\sqrt{20}-\sqrt{80}\) equal to?
Explanation opens after your attempt
Correct Answer
A. \(\sqrt{5}\)
Concept
\(\sqrt{45}=3\sqrt{5}\), \(\sqrt{20}=2\sqrt{5}\), and \(\sqrt{80}=4\sqrt{5}\). Therefore the result is \(\sqrt{5}\).
Why this answer is correct
The correct answer is A. \(\sqrt{5}\). \(\sqrt{45}=3\sqrt{5}\), \(\sqrt{20}=2\sqrt{5}\), and \(\sqrt{80}=4\sqrt{5}\). Therefore the result is \(\sqrt{5}\).
Exam Tip
\(\sqrt{45}=3\sqrt{5}\), \(\sqrt{20}=2\sqrt{5}\) और \(\sqrt{80}=4\sqrt{5}\) है। इसलिए परिणाम \(\sqrt{5}\) है।
Login to save your score, XP, coins and progress.