\(81x^2-100y^2\) का गुणनखंड रूप क्या है?
What is the factorized form of \(81x^2-100y^2\)?
Explanation opens after your attempt
A. ((9x-10y)(9x+10y))
Concept
(81x-2-100y-2=(9x)2-(10y)2). Apply the difference of squares rule (\(a^2-b^2\)=(a-b)(a+b)).
Why this answer is correct
The correct answer is A. ((9x-10y)(9x+10y)). (81x-2-100y-2=(9x)2-(10y)2). Apply the difference of squares rule (\(a^2-b^2\)=(a-b)(a+b)).
Exam Tip
(81x-2-100y-2=(9x)2-(10y)2) है। अंतर के वर्ग का नियम (\(a^2-b^2\)=(a-b)(a+b)) लगाएँ।
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