\(x^2+6xy+9y^2-16z^2\) का गुणनखंड रूप कौन सा है?
Which is the factorised form of \(x^2+6xy+9y^2-16z^2\)?
Explanation opens after your attempt
A. ((x+3y-4z)(x+3y+4z))
Concept
First (x-2+6xy+9y-2=(x+3y)2), and (16z-2=(4z)2). Exam tip: use two-step identities.
Why this answer is correct
The correct answer is A. ((x+3y-4z)(x+3y+4z)). First (x-2+6xy+9y-2=(x+3y)2), and (16z-2=(4z)2). Exam tip: use two-step identities.
Exam Tip
पहले (x-2+6xy+9y-2=(x+3y)2), फिर (16z-2=(4z)2) है। परीक्षा में दो चरणों वाली पहचान लगाएं।
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