कौन सा ((a+b)2) के बराबर नहीं है?
Which is not equal to ((a+b)2)?
Explanation opens after your attempt
B. \(a^2+b^2\)
Concept
The expansion of ((a+b)2) has the middle term (2ab). Therefore \(a^2+b^2\) is incomplete.
Why this answer is correct
The correct answer is B. \(a^2+b^2\). The expansion of ((a+b)2) has the middle term (2ab). Therefore \(a^2+b^2\) is incomplete.
Exam Tip
((a+b)2) में मध्य पद (2ab) आता है। इसलिए \(a^2+b^2\) अधूरा रूप है।
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