( (5p+2q)(5p-2q) ) का गुणनफल क्या है?
What is the product of ( (5p+2q)(5p-2q) )?
Explanation opens after your attempt
A. \(25p^2-4q^2\)
Concept
This is ( (a+b)(a-b)=a-2-b-2 ). Exam tip: square ((5p)2) and ((2q)2) correctly.
Why this answer is correct
The correct answer is A. \(25p^2-4q^2\). This is ( (a+b)(a-b)=a-2-b-2 ). Exam tip: square ((5p)2) and ((2q)2) correctly.
Exam Tip
यह ( (a+b)(a-b)=a-2-b-2 ) का रूप है। परीक्षा में ((5p)2) और ((2q)2) सही करें।
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