( (a+b+c)2-\(a^2+b^2+c^2+2ab\) ) को सरल कीजिए।

Simplify ( (a+b+c)2-\(a^2+b^2+c^2+2ab\) ).

Explanation opens after your attempt
Correct Answer

A. (2bc+2ca)सही परिणाम

Step 1

Concept

The square of three terms contains (2ab), (2bc), (2ca). After subtracting the given part, (2bc+2ca) remains.

Step 2

Why this answer is correct

The correct answer is A. (2bc+2ca) / सही परिणाम. The square of three terms contains (2ab), (2bc), (2ca). After subtracting the given part, (2bc+2ca) remains.

Step 3

Exam Tip

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

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Mathematics Answer, Explanation and Revision Hints

( (a+b+c)2-\(a^2+b^2+c^2+2ab\) ) को सरल कीजिए। / Simplify ( (a+b+c)2-\(a^2+b^2+c^2+2ab\) ).

Correct Answer: A. (2bc+2ca) / सही परिणाम. Explanation: तीन पदों के वर्ग में (2ab), (2bc), (2ca) आते हैं। दिए भाग को घटाने पर (2bc+2ca) बचता है। / The square of three terms contains (2ab), (2bc), (2ca). After subtracting the given part, (2bc+2ca) remains.

Which concept should I revise for this Mathematics MCQ?

The square of three terms contains (2ab), (2bc), (2ca). After subtracting the given part, (2bc+2ca) remains.

What exam hint can help solve this Mathematics question?

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

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