((a+b)2) का सूत्र क्या है?
What is the formula for ((a+b)2)?
Explanation opens after your attempt
Correct Answer
B. \(a^2+2ab+b^2\)
Concept
In ((a+b)2), the middle term is (+2ab). Remember identities with signs.
Why this answer is correct
The correct answer is B. \(a^2+2ab+b^2\). In ((a+b)2), the middle term is (+2ab). Remember identities with signs.
Exam Tip
((a+b)2) में मध्य पद (+2ab) होता है। सूत्रों को चिह्न सहित याद करें।
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