\( 197^2 \) का मान पहचान से क्या होगा?
What is the value of \( 197^2 \) using an identity?
Explanation opens after your attempt
A. (38809)
Concept
(197=200-3), so ( (200-3)2=40000-1200+9=38809 ). Exam tip: subtract the middle term in ( (a-b)2 ).
Why this answer is correct
The correct answer is A. (38809). (197=200-3), so ( (200-3)2=40000-1200+9=38809 ). Exam tip: subtract the middle term in ( (a-b)2 ).
Exam Tip
(197=200-3) इसलिए ( (200-3)2=40000-1200+9=38809 )। परीक्षा में ( (a-b)2 ) में मध्य पद घटाएँ।
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