(\sqrt{5}\(\sqrt{45}+\sqrt{80}\)) का मान क्या है?
What is the value of (\sqrt{5}\(\sqrt{45}+\sqrt{80}\))?
Explanation opens after your attempt
A. (35)
Concept
\(\sqrt{45}=3\sqrt{5}\) and \(\sqrt{80}=4\sqrt{5}\), so the bracket is \(7\sqrt{5}\) and the product is (35). Simplify the bracket first.
Why this answer is correct
The correct answer is A. (35). \(\sqrt{45}=3\sqrt{5}\) and \(\sqrt{80}=4\sqrt{5}\), so the bracket is \(7\sqrt{5}\) and the product is (35). Simplify the bracket first.
Exam Tip
\(\sqrt{45}=3\sqrt{5}\) और \(\sqrt{80}=4\sqrt{5}\), इसलिए कोष्ठक \(7\sqrt{5}\) और गुणनफल (35) है। पहले कोष्ठक सरल करें।
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