( (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)
Concept
The middle term is \(-2\cdot2a\cdot b=-4ab\). Exam tip: include the coefficient of the first term.
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.
Exam Tip
बीच का पद \(-2\cdot2a\cdot b=-4ab\) है। परीक्षा में पहले पद का गुणांक शामिल करें।
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