\( 49^2 \) को ( (50-1)2 ) से निकालिए।

Find \( 49^2 \) using ( (50-1)2 ).

Explanation opens after your attempt
Correct Answer

A. (2401)

Step 1

Concept

( (50-1)2=2500-100+1=2401 ). Exam tip: the middle term is subtracted in ( (a-b)2 ).

Step 2

Why this answer is correct

The correct answer is A. (2401). ( (50-1)2=2500-100+1=2401 ). Exam tip: the middle term is subtracted in ( (a-b)2 ).

Step 3

Exam Tip

( (50-1)2=2500-100+1=2401 )। परीक्षा में ( (a-b)2 ) में बीच का पद घटता है।

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Mathematics Answer, Explanation and Revision Hints

\( 49^2 \) को ( (50-1)2 ) से निकालिए। / Find \( 49^2 \) using ( (50-1)2 ).

Correct Answer: A. (2401). Explanation: ( (50-1)2=2500-100+1=2401 )। परीक्षा में ( (a-b)2 ) में बीच का पद घटता है। / ( (50-1)2=2500-100+1=2401 ). Exam tip: the middle term is subtracted in ( (a-b)2 ).

Which concept should I revise for this Mathematics MCQ?

( (50-1)2=2500-100+1=2401 ). Exam tip: the middle term is subtracted in ( (a-b)2 ).

What exam hint can help solve this Mathematics question?

( (50-1)2=2500-100+1=2401 )। परीक्षा में ( (a-b)2 ) में बीच का पद घटता है।

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