( (3x+4)2-(3x-4)2 ) का सरल रूप क्या है?
What is the simplified form of ( (3x+4)2-(3x-4)2 )?
Explanation opens after your attempt
A. (48x)
Concept
( (u+v)2-(u-v)2=4uv ). Here (u=3x) and (v=4), so the result is (48x).
Why this answer is correct
The correct answer is A. (48x). ( (u+v)2-(u-v)2=4uv ). Here (u=3x) and (v=4), so the result is (48x).
Exam Tip
( (u+v)2-(u-v)2=4uv ) है। यहाँ (u=3x) और (v=4) इसलिए (48x) मिलेगा।
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