\( 73^2-27^2 \) का मान क्या है?
What is the value of \( 73^2-27^2 \)?
Explanation opens after your attempt
A. (4600)
Concept
Using (a-2-b-2=(a+b)(a-b)), \(100\cdot46=4600\). Exam tip: do not calculate both squares separately.
Why this answer is correct
The correct answer is A. (4600). Using (a-2-b-2=(a+b)(a-b)), \(100\cdot46=4600\). Exam tip: do not calculate both squares separately.
Exam Tip
(a-2-b-2=(a+b)(a-b)) से \(100\cdot46=4600\) है। परीक्षा में बड़े वर्ग अलग-अलग न निकालें।
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