( (x+5)2-(x-5)2 ) का सरल रूप क्या है?
What is the simplified form of ( (x+5)2-(x-5)2 )?
Explanation opens after your attempt
C. (20x)
Concept
( (a+b)2-(a-b)2=4ab ). Here (a=x) and (b=5), so the result is (20x).
Why this answer is correct
The correct answer is C. (20x). ( (a+b)2-(a-b)2=4ab ). Here (a=x) and (b=5), so the result is (20x).
Exam Tip
( (a+b)2-(a-b)2=4ab ) है। यहाँ (a=x) और (b=5) इसलिए (20x) मिलेगा।
Login to save your score, XP, coins and progress.
