किस संख्या का अभाज्य गुणनखंडन \(3^4\times5^2\times7^2\) है?
Which number has prime factorisation \(3^4\times5^2\times7^2\)?
Explanation opens after your attempt
Correct Answer
A. 99225
Step 1
Concept
Calculate \(3^4=81\), \(5^2=25\), and \(7^2=49\).
Step 2
Why this answer is correct
\(81\times25\times49=99225\).
Step 3
Exam Tip
Do not skip square powers in a hurry. चरण 1: \(3^4=81\), \(5^2=25\) और \(7^2=49\) निकालें। चरण 2: \(81\times25\times49=99225\)। चरण 3: वर्ग घातों को जल्दबाजी में न छोड़ें।