\(x^2-9\) किस पहचान से संबंधित है?
Which identity is related to \(x^2-9\)?
Explanation opens after your attempt
C. \(a^2-b^2\)
Concept
\(x^2-9\) can be written as \(x^2-3^2\). This matches the identity \(a^2-b^2\).
Why this answer is correct
The correct answer is C. \(a^2-b^2\). \(x^2-9\) can be written as \(x^2-3^2\). This matches the identity \(a^2-b^2\).
Exam Tip
\(x^2-9\) को \(x^2-3^2\) लिखा जा सकता है। यह \(a^2-b^2\) की पहचान है।
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