( (m+4)2-\(m^2+16\) ) का मान क्या है?
What is the value of ( (m+4)2-\(m^2+16\) )?
Explanation opens after your attempt
B. (8m)
Concept
( (m+4)2=m-2+8m+16 ), so subtracting \(m^2+16\) leaves (8m). Exam tip: cancel like terms.
Why this answer is correct
The correct answer is B. (8m). ( (m+4)2=m-2+8m+16 ), so subtracting \(m^2+16\) leaves (8m). Exam tip: cancel like terms.
Exam Tip
( (m+4)2=m-2+8m+16 ) है इसलिए \(m^2+16\) घटाने पर (8m) बचेगा। परीक्षा में समान पद काटें।
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