\( 98^2 \) 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

Step 1

Concept

Since (98=100-2), ( (100-2)2 ) makes calculation easy. Exam tip: choose a nearby round number.

Step 2

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.

Step 3

Exam Tip

(98=100-2) इसलिए ( (100-2)2 ) से गणना आसान होती है। परीक्षा में निकट पूर्ण संख्या चुनें।

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Mathematics Answer, Explanation and Revision Hints

\( 98^2 \) को पहचान से निकालने के लिए सबसे उपयोगी रूप कौन-सा है? / Which form is most useful for finding \( 98^2 \) using an identity?

Correct Answer: A. ( (100-2)2 ) / निकट पूर्ण संख्या. Explanation: (98=100-2) इसलिए ( (100-2)2 ) से गणना आसान होती है। परीक्षा में निकट पूर्ण संख्या चुनें। / Since (98=100-2), ( (100-2)2 ) makes calculation easy. Exam tip: choose a nearby round number.

Which concept should I revise for this Mathematics MCQ?

Since (98=100-2), ( (100-2)2 ) makes calculation easy. Exam tip: choose a nearby round number.

What exam hint can help solve this Mathematics question?

(98=100-2) इसलिए ( (100-2)2 ) से गणना आसान होती है। परीक्षा में निकट पूर्ण संख्या चुनें।

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