\( 999^2 \) निकालने के लिए कौन सा रूप सही है?

Which form is correct to find \( 999^2 \)?

Explanation opens after your attempt
Correct Answer

B. ( (1000-1)2 )

Step 1

Concept

Write (999) as (1000-1) and use ( (a-b)2 ). Exam tip: choosing the nearest simple number is faster.

Step 2

Why this answer is correct

The correct answer is B. ( (1000-1)2 ). Write (999) as (1000-1) and use ( (a-b)2 ). Exam tip: choosing the nearest simple number is faster.

Step 3

Exam Tip

(999) को (1000-1) लिखकर ( (a-b)2 ) लगाएँ। परीक्षा में निकटतम सरल संख्या चुनना तेज तरीका है।

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Mathematics Answer, Explanation and Revision Hints

\( 999^2 \) निकालने के लिए कौन सा रूप सही है? / Which form is correct to find \( 999^2 \)?

Correct Answer: B. ( (1000-1)2 ). Explanation: (999) को (1000-1) लिखकर ( (a-b)2 ) लगाएँ। परीक्षा में निकटतम सरल संख्या चुनना तेज तरीका है। / Write (999) as (1000-1) and use ( (a-b)2 ). Exam tip: choosing the nearest simple number is faster.

Which concept should I revise for this Mathematics MCQ?

Write (999) as (1000-1) and use ( (a-b)2 ). Exam tip: choosing the nearest simple number is faster.

What exam hint can help solve this Mathematics question?

(999) को (1000-1) लिखकर ( (a-b)2 ) लगाएँ। परीक्षा में निकटतम सरल संख्या चुनना तेज तरीका है।

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