\( 999^2 \) को किस रूप में निकालना सबसे आसान है?

Which form is easiest for finding \( 999^2 \)?

Explanation opens after your attempt
Correct Answer

B. ( (1000-1)2 )सही रूप

Step 1

Concept

Since (999=1000-1), use the square of difference identity. Exam tip: take nearby base (1000).

Step 2

Why this answer is correct

The correct answer is B. ( (1000-1)2 ) / सही रूप. Since (999=1000-1), use the square of difference identity. Exam tip: take nearby base (1000).

Step 3

Exam Tip

(999=1000-1) इसलिए घटाव के वर्ग की पहचान लगाएँ। परीक्षा में निकट आधार (1000) लें।

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Mathematics Answer, Explanation and Revision Hints

\( 999^2 \) को किस रूप में निकालना सबसे आसान है? / Which form is easiest for finding \( 999^2 \)?

Correct Answer: B. ( (1000-1)2 ) / सही रूप. Explanation: (999=1000-1) इसलिए घटाव के वर्ग की पहचान लगाएँ। परीक्षा में निकट आधार (1000) लें। / Since (999=1000-1), use the square of difference identity. Exam tip: take nearby base (1000).

Which concept should I revise for this Mathematics MCQ?

Since (999=1000-1), use the square of difference identity. Exam tip: take nearby base (1000).

What exam hint can help solve this Mathematics question?

(999=1000-1) इसलिए घटाव के वर्ग की पहचान लगाएँ। परीक्षा में निकट आधार (1000) लें।

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