( (2x+1)2 ) का सही प्रसार कौन सा है?

Which is the correct expansion of ( (2x+1)2 )?

Explanation opens after your attempt
Correct Answer

D. \(4x^2+4x+1\)

Step 1

Concept

Put (a=2x) and (b=1), so (2ab=4x). Exam tip: write ( (2x)2=4x-2 ).

Step 2

Why this answer is correct

The correct answer is D. \(4x^2+4x+1\). Put (a=2x) and (b=1), so (2ab=4x). Exam tip: write ( (2x)2=4x-2 ).

Step 3

Exam Tip

(a=2x) और (b=1) रखने पर (2ab=4x) मिलता है। परीक्षा में ( (2x)2=4x-2 ) लिखें।

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Mathematics Answer, Explanation and Revision Hints

( (2x+1)2 ) का सही प्रसार कौन सा है? / Which is the correct expansion of ( (2x+1)2 )?

Correct Answer: D. \(4x^2+4x+1\). Explanation: (a=2x) और (b=1) रखने पर (2ab=4x) मिलता है। परीक्षा में ( (2x)2=4x-2 ) लिखें। / Put (a=2x) and (b=1), so (2ab=4x). Exam tip: write ( (2x)2=4x-2 ).

Which concept should I revise for this Mathematics MCQ?

Put (a=2x) and (b=1), so (2ab=4x). Exam tip: write ( (2x)2=4x-2 ).

What exam hint can help solve this Mathematics question?

(a=2x) और (b=1) रखने पर (2ab=4x) मिलता है। परीक्षा में ( (2x)2=4x-2 ) लिखें।

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