कौन सा क्षेत्र मॉडल \(x^2-9\) को दिखाता है?
Which area model shows \(x^2-9\)?
Explanation opens after your attempt
A. भुजा (x) वाले वर्ग से भुजा (3) वाला वर्ग हटानाRemoving a square of side (3) from a square of side (x)
Concept
\(x^2-9=x^2-3^2\). Therefore removing a square of side (3) from a square of side (x) is correct.
Why this answer is correct
The correct answer is A. भुजा (x) वाले वर्ग से भुजा (3) वाला वर्ग हटाना / Removing a square of side (3) from a square of side (x). \(x^2-9=x^2-3^2\). Therefore removing a square of side (3) from a square of side (x) is correct.
Exam Tip
\(x^2-9=x^2-3^2\) है। इसलिए (x) वर्ग से (3) वर्ग हटाने का मॉडल सही है।
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