कौन सा विकल्प (\(2\sqrt{3}+1\)2) का सही विस्तार है?
Which option is the correct expansion of (\(2\sqrt{3}+1\)2)?
Explanation opens after your attempt
A. \(13+4\sqrt{3}\)
Concept
(\(2\sqrt{3}+1\)2=12+4\sqrt{3}+1=13+4\sqrt{3}). Always include the middle term (2ab).
Why this answer is correct
The correct answer is A. \(13+4\sqrt{3}\). (\(2\sqrt{3}+1\)2=12+4\sqrt{3}+1=13+4\sqrt{3}). Always include the middle term (2ab).
Exam Tip
(\(2\sqrt{3}+1\)2=12+4\sqrt{3}+1=13+4\sqrt{3}) है। बीच का पद (2ab) जरूर लगाएँ।
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