व्यंजक \(6x^2-4xy+2y^2-3x^2+9xy-y^2\) का सरल रूप क्या है?
What is the simplified form of \(6x^2-4xy+2y^2-3x^2+9xy-y^2\)?
Explanation opens after your attempt
A. \(3x^2+5xy+y^2\)
Concept
Combining \(x^2\), (xy), and \(y^2\) terms separately gives \(3x^2+5xy+y^2\). Do not mix different variable parts.
Why this answer is correct
The correct answer is A. \(3x^2+5xy+y^2\). Combining \(x^2\), (xy), and \(y^2\) terms separately gives \(3x^2+5xy+y^2\). Do not mix different variable parts.
Exam Tip
\(x^2\), (xy), और \(y^2\) पदों को अलग जोड़ने पर \(3x^2+5xy+y^2\) मिलता है। अलग चर भागों को न मिलाएं।
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