\( 98^2 \) को पहचान से निकालने के लिए सबसे उपयोगी रूप कौन-सा है?
Which form is most useful for finding \( 98^2 \) using an identity?
Explanation opens after your attempt
Correct Answer
A. ( (100-2)2 )निकट पूर्ण संख्या
Concept
Since (98=100-2), ( (100-2)2 ) makes calculation easy. Exam tip: choose a nearby round number.
Why this answer is correct
The correct answer is A. ( (100-2)2 ) / निकट पूर्ण संख्या. Since (98=100-2), ( (100-2)2 ) makes calculation easy. Exam tip: choose a nearby round number.
Exam Tip
(98=100-2) इसलिए ( (100-2)2 ) से गणना आसान होती है। परीक्षा में निकट पूर्ण संख्या चुनें।
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