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Question Easy Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 66

( (2a-b)2 ) में बीच वाला पद क्या है?

What is the middle term in ( (2a-b)2 )?

Explanation opens after your attempt
Correct Answer

D. (-4ab)

Step 1

Concept

The middle term is \(-2\cdot2a\cdot b=-4ab\). Exam tip: include the coefficient of the first term.

Step 2

Why this answer is correct

The correct answer is D. (-4ab). The middle term is \(-2\cdot2a\cdot b=-4ab\). Exam tip: include the coefficient of the first term.

Step 3

Exam Tip

बीच का पद \(-2\cdot2a\cdot b=-4ab\) है। परीक्षा में पहले पद का गुणांक शामिल करें।

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