कौन सा ((a-b)2) के बराबर है?
Which is equal to ((a-b)2)?
Explanation opens after your attempt
B. \(a^2-2ab+b^2\)
Concept
The middle term in ((a-b)2) is (-2ab). The correct expansion is \(a^2-2ab+b^2\).
Why this answer is correct
The correct answer is B. \(a^2-2ab+b^2\). The middle term in ((a-b)2) is (-2ab). The correct expansion is \(a^2-2ab+b^2\).
Exam Tip
((a-b)2) में मध्य पद (-2ab) होता है। सही विस्तार \(a^2-2ab+b^2\) है।
Login to save your score, XP, coins and progress.
