( (a+b+c)2-\(a^2+b^2+c^2\) ) का मान क्या है?

What is the value of ( (a+b+c)2-\(a^2+b^2+c^2\) )?

Explanation opens after your attempt
Correct Answer

B. (2ab+2bc+2ca)

Step 1

Concept

In the square of three terms, the extra mixed terms are (2ab+2bc+2ca). Exam tip: remember all three pairs.

Step 2

Why this answer is correct

The correct answer is B. (2ab+2bc+2ca). In the square of three terms, the extra mixed terms are (2ab+2bc+2ca). Exam tip: remember all three pairs.

Step 3

Exam Tip

तीन पदों के वर्ग में अतिरिक्त मिश्र पद (2ab+2bc+2ca) होते हैं। परीक्षा में सभी तीन जोड़े याद रखें।

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Mathematics Answer, Explanation and Revision Hints

( (a+b+c)2-\(a^2+b^2+c^2\) ) का मान क्या है? / What is the value of ( (a+b+c)2-\(a^2+b^2+c^2\) )?

Correct Answer: B. (2ab+2bc+2ca). Explanation: तीन पदों के वर्ग में अतिरिक्त मिश्र पद (2ab+2bc+2ca) होते हैं। परीक्षा में सभी तीन जोड़े याद रखें। / In the square of three terms, the extra mixed terms are (2ab+2bc+2ca). Exam tip: remember all three pairs.

Which concept should I revise for this Mathematics MCQ?

In the square of three terms, the extra mixed terms are (2ab+2bc+2ca). Exam tip: remember all three pairs.

What exam hint can help solve this Mathematics question?

तीन पदों के वर्ग में अतिरिक्त मिश्र पद (2ab+2bc+2ca) होते हैं। परीक्षा में सभी तीन जोड़े याद रखें।

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