यदि \(u=\sqrt{28}+\sqrt{63}\) और \(v=5\sqrt{7}\) हैं तो कौन-सा कथन सही है?

If \(u=\sqrt{28}+\sqrt{63}\) and \(v=5\sqrt{7}\), which statement is correct?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (u=v)

Step 1

Concept

\(\sqrt{28}=2\sqrt{7}\) and \(\sqrt{63}=3\sqrt{7}\), so \(u=5\sqrt{7}\). Hence (u=v).

Step 2

Why this answer is correct

The correct answer is C. (u=v). \(\sqrt{28}=2\sqrt{7}\) and \(\sqrt{63}=3\sqrt{7}\), so \(u=5\sqrt{7}\). Hence (u=v).

Step 3

Exam Tip

\(\sqrt{28}=2\sqrt{7}\) और \(\sqrt{63}=3\sqrt{7}\), इसलिए \(u=5\sqrt{7}\) है। अतः (u=v) है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(u=\sqrt{28}+\sqrt{63}\) और \(v=5\sqrt{7}\) हैं तो कौन-सा कथन सही है? / If \(u=\sqrt{28}+\sqrt{63}\) and \(v=5\sqrt{7}\), which statement is correct?

Correct Answer: C. (u=v). Explanation: \(\sqrt{28}=2\sqrt{7}\) और \(\sqrt{63}=3\sqrt{7}\), इसलिए \(u=5\sqrt{7}\) है। अतः (u=v) है। / \(\sqrt{28}=2\sqrt{7}\) and \(\sqrt{63}=3\sqrt{7}\), so \(u=5\sqrt{7}\). Hence (u=v).

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{28}=2\sqrt{7}\) and \(\sqrt{63}=3\sqrt{7}\), so \(u=5\sqrt{7}\). Hence (u=v).

What exam hint can help solve this Mathematics question?

\(\sqrt{28}=2\sqrt{7}\) और \(\sqrt{63}=3\sqrt{7}\), इसलिए \(u=5\sqrt{7}\) है। अतः (u=v) है।