\(25a^2\) किसका वर्ग है?
\(25a^2\) is the square of which expression?
Explanation opens after your attempt
Correct Answer
A. (5a)
Concept
((5a)2=25a-2). In a square both the number and variable powers are squared.
Why this answer is correct
The correct answer is A. (5a). ((5a)2=25a-2). In a square both the number and variable powers are squared.
Exam Tip
((5a)2=25a-2) होता है। वर्ग में संख्या और चर दोनों की घात दोगुनी होती है।
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