\(6x^2-7xy+3y^2+2xy-5y^2-4x^2\) को सरल करने पर क्या मिलेगा?
What is obtained after simplifying \(6x^2-7xy+3y^2+2xy-5y^2-4x^2\)?
Explanation opens after your attempt
A. \(2x^2-5xy-2y^2\)
Concept
\(6x^2-4x^2=2x^2\), (-7xy+2xy=-5xy), and \(3y^2-5y^2=-2y^2\).
Why this answer is correct
The correct answer is A. \(2x^2-5xy-2y^2\). \(6x^2-4x^2=2x^2\), (-7xy+2xy=-5xy), and \(3y^2-5y^2=-2y^2\).
Exam Tip
\(6x^2-4x^2=2x^2\), (-7xy+2xy=-5xy), और \(3y^2-5y^2=-2y^2\)।
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