( (2x+3y)2-(2x-3y)2 ) का सरल रूप क्या है?
What is the simplified form of ( (2x+3y)2-(2x-3y)2 )?
Explanation opens after your attempt
B. (24xy)
Concept
This is ( (a+b)2-(a-b)2=4ab ), where (a=2x) and (b=3y). So it gives (24xy).
Why this answer is correct
The correct answer is B. (24xy). This is ( (a+b)2-(a-b)2=4ab ), where (a=2x) and (b=3y). So it gives (24xy).
Exam Tip
यह ( (a+b)2-(a-b)2=4ab ) है जहाँ (a=2x) और (b=3y) है। इसलिए (24xy) मिलता है।
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