( (a+b+c)2-\(a^2+b^2+c^2+2ab\) ) का सरल रूप क्या है?

What is the simplified form of ( (a+b+c)2-\(a^2+b^2+c^2+2ab\) )?

Explanation opens after your attempt
Correct Answer

A. (2bc+2ca)

Step 1

Concept

In the three-term square, (2ab+2bc+2ca) appear. After subtracting the given (2ab), (2bc+2ca) remains.

Step 2

Why this answer is correct

The correct answer is A. (2bc+2ca). In the three-term square, (2ab+2bc+2ca) appear. After subtracting the given (2ab), (2bc+2ca) remains.

Step 3

Exam Tip

तीन पदों के वर्ग में (2ab+2bc+2ca) आते हैं। दिए गए (2ab) को घटाने पर (2bc+2ca) बचता है।

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Mathematics Answer, Explanation and Revision Hints

( (a+b+c)2-\(a^2+b^2+c^2+2ab\) ) का सरल रूप क्या है? / What is the simplified form of ( (a+b+c)2-\(a^2+b^2+c^2+2ab\) )?

Correct Answer: A. (2bc+2ca). Explanation: तीन पदों के वर्ग में (2ab+2bc+2ca) आते हैं। दिए गए (2ab) को घटाने पर (2bc+2ca) बचता है। / In the three-term square, (2ab+2bc+2ca) appear. After subtracting the given (2ab), (2bc+2ca) remains.

Which concept should I revise for this Mathematics MCQ?

In the three-term square, (2ab+2bc+2ca) appear. After subtracting the given (2ab), (2bc+2ca) remains.

What exam hint can help solve this Mathematics question?

तीन पदों के वर्ग में (2ab+2bc+2ca) आते हैं। दिए गए (2ab) को घटाने पर (2bc+2ca) बचता है।

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