(\(1+x+x^2\)^n) में \(x^4\) coefficient के cases में कौन-सा option सही है?
Which option correctly lists cases for the coefficient of \(x^4\) in (\(1+x+x^2\)^n)?
Explanation opens after your attempt
A. चार (x), या दो (x) और एक \(x^2\), या दो \(x^2\)Four (x)'s, or two (x)'s and one \(x^2\), or two \(x^2\)'s
Concept
All disjoint choices that form exponent (4) must be added. In exams make exponent partitions for polynomial coefficients.
Why this answer is correct
The correct answer is A. चार (x), या दो (x) और एक \(x^2\), या दो \(x^2\) / Four (x)'s, or two (x)'s and one \(x^2\), or two \(x^2\)'s. All disjoint choices that form exponent (4) must be added. In exams make exponent partitions for polynomial coefficients.
Exam Tip
Exponent (4) बनाने वाले सभी disjoint choices जोड़ने पड़ते हैं। परीक्षा में polynomial coefficient में exponent partitions बनाएं।
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