((a+b)^{8}) में \(a^{3}b^{5}\) का गुणांक क्या है?
What is the coefficient of \(a^{3}b^{5}\) in ((a+b)^{8})?
Explanation opens after your attempt
D. (56)
Concept
For \(a^{3}b^{5}\), choose the (3) positions of (a). The coefficient is \(^{8}C_{3}=56\).
Why this answer is correct
The correct answer is D. (56). For \(a^{3}b^{5}\), choose the (3) positions of (a). The coefficient is \(^{8}C_{3}=56\).
Exam Tip
\(a^{3}b^{5}\) के लिए (a) वाले (3) स्थान चुनें। गुणांक \(^{8}C_{3}=56\) है।
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