भुजाएँ (h+6) और (h-6) वाले आयत का क्षेत्रफल कौन सा है?
What is the area of a rectangle with sides (h+6) and (h-6)?
Explanation opens after your attempt
A. \(h^2-36\)
Concept
((h+6)(h-6)=h-2-36). Exam tip: quickly identify product of sum and difference.
Why this answer is correct
The correct answer is A. \(h^2-36\). ((h+6)(h-6)=h-2-36). Exam tip: quickly identify product of sum and difference.
Exam Tip
((h+6)(h-6)=h-2-36) है। परीक्षा में योग और अंतर का गुणन तुरंत पहचानें।
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