\(\sqrt{7}\times\sqrt{63}\) का मान क्या है?

What is the value of \(\sqrt{7}\times\sqrt{63}\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. 21

Step 1

Concept

\(\sqrt{441}=21\). Multiply inside the root first.

Step 2

Why this answer is correct

The correct answer is C. 21. \(\sqrt{441}=21\). Multiply inside the root first.

Step 3

Exam Tip

\(\sqrt{441}=21\)। पहले अंदर गुणा करें।

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Mathematics Answer, Explanation and Revision Hints

\(\sqrt{7}\times\sqrt{63}\) का मान क्या है? / What is the value of \(\sqrt{7}\times\sqrt{63}\)?

Correct Answer: C. 21. Explanation: \(\sqrt{441}=21\)। पहले अंदर गुणा करें। / \(\sqrt{441}=21\). Multiply inside the root first.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{441}=21\). Multiply inside the root first.

What exam hint can help solve this Mathematics question?

\(\sqrt{441}=21\)। पहले अंदर गुणा करें।