व्यंजक \(9a^2-6a+11-4a^2+13a-8\) का सरल रूप क्या है?
What is the simplified form of \(9a^2-6a+11-4a^2+13a-8\)?
Explanation opens after your attempt
C. \(5a^2+7a+3\)
Concept
Combining like terms gives \(9a^2-4a^2=5a^2\), (-6a+13a=7a), and (11-8=3). Group terms by powers.
Why this answer is correct
The correct answer is C. \(5a^2+7a+3\). Combining like terms gives \(9a^2-4a^2=5a^2\), (-6a+13a=7a), and (11-8=3). Group terms by powers.
Exam Tip
समान पद जोड़ने पर \(9a^2-4a^2=5a^2\), (-6a+13a=7a), और (11-8=3) मिलता है। घात के अनुसार पदों को समूहित करें।
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