( (a-b+c)2 ) में (ab) वाला पद कौन सा होगा?

Which term containing (ab) appears in ( (a-b+c)2 )?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (-2ab)

Step 1

Concept

The mixed term of (a) and (-b) is \(2\times a\times(-b)=-2ab\). Exam tip: keep the negative sign with the term.

Step 2

Why this answer is correct

The correct answer is B. (-2ab). The mixed term of (a) and (-b) is \(2\times a\times(-b)=-2ab\). Exam tip: keep the negative sign with the term.

Step 3

Exam Tip

(a) और (-b) का मिश्र पद \(2\times a\times(-b)=-2ab\) है। परीक्षा में ऋण चिन्ह को पद के साथ रखें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

( (a-b+c)2 ) में (ab) वाला पद कौन सा होगा? / Which term containing (ab) appears in ( (a-b+c)2 )?

Correct Answer: B. (-2ab). Explanation: (a) और (-b) का मिश्र पद \(2\times a\times(-b)=-2ab\) है। परीक्षा में ऋण चिन्ह को पद के साथ रखें। / The mixed term of (a) and (-b) is \(2\times a\times(-b)=-2ab\). Exam tip: keep the negative sign with the term.

Which concept should I revise for this Mathematics MCQ?

The mixed term of (a) and (-b) is \(2\times a\times(-b)=-2ab\). Exam tip: keep the negative sign with the term.

What exam hint can help solve this Mathematics question?

(a) और (-b) का मिश्र पद \(2\times a\times(-b)=-2ab\) है। परीक्षा में ऋण चिन्ह को पद के साथ रखें।