भुजाओं (a+b) और (a-b) वाले आयत का क्षेत्रफल किसके बराबर है?
The area of a rectangle with sides (a+b) and (a-b) is equal to what?
Explanation opens after your attempt
D. \(a^2-b^2\)
Concept
The area is ((a+b)(a-b)), which becomes \(a^2-b^2\). Exam tip: remember product of sum and difference.
Why this answer is correct
The correct answer is D. \(a^2-b^2\). The area is ((a+b)(a-b)), which becomes \(a^2-b^2\). Exam tip: remember product of sum and difference.
Exam Tip
क्षेत्रफल ((a+b)(a-b)) है जो \(a^2-b^2\) बनता है। परीक्षा में योग और अंतर का गुणन याद रखें।
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