\( 58\times42 \) का मान ( (50+8)(50-8) ) से क्या होगा?
What is the value of \( 58\times42 \) using ( (50+8)(50-8) )?
Explanation opens after your attempt
A. (2436)
Concept
\(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).
Why this answer is correct
The correct answer is A. (2436). \(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).
Exam Tip
\(50^2-8^2=2500-64=2436\)। परीक्षा में समान केंद्र (50) पहचानें।
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