\(7u^2v-4uv^2+3u^2v-9uv^2\) में \(uv^2\) का गुणांक सरल करने के बाद क्या होगा?
After simplifying \(7u^2v-4uv^2+3u^2v-9uv^2\), what will be the coefficient of \(uv^2\)?
Explanation opens after your attempt
B. (-13)
Concept
The \(uv^2\) terms are \(-4uv^2\) and \(-9uv^2\). Their sum is \(-13uv^2\).
Why this answer is correct
The correct answer is B. (-13). The \(uv^2\) terms are \(-4uv^2\) and \(-9uv^2\). Their sum is \(-13uv^2\).
Exam Tip
\(uv^2\) वाले पद \(-4uv^2\) और \(-9uv^2\) हैं। इनका योग \(-13uv^2\) है।
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