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Mathematics - Binomial Theorem Question with Solution | TestHub

MathematicsBinomial TheoremMultinomial theoremMedium2 minQB

MathematicsMediumsingle choice

The number of terms in the expansion of $(p + q + r + s)^{n}$ is

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Solution:

Standard formulae: the number of terms equals the number of non-negative integer solutions of $a + b + c + d = n$ , which is $^{n + 3} C_{3} = \frac{( n + 1 ) ( n + 2 ) ( n + 3 )}{6}$

Stream:JEESubject:MathematicsTopic:Binomial TheoremSubtopic:Multinomial theorem

⏱ 2mℹ️ Source: QB

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