\(\sqrt{7}\times\sqrt{63}\) का मान क्या है?
What is the value of \(\sqrt{7}\times\sqrt{63}\)?
Explanation opens after your attempt
C. 21
Concept
\(\sqrt{441}=21\). Multiply inside the root first.
Why this answer is correct
The correct answer is C. 21. \(\sqrt{441}=21\). Multiply inside the root first.
Exam Tip
\(\sqrt{441}=21\)। पहले अंदर गुणा करें।
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