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What is the simplified form of \(\frac{(n+1)!}{n!}\)?

Answer and explanation

Correct answer: \(n+1\)

Using the factorial relation, \((n+1)!=(n+1)\cdot n!\). Therefore, \(\frac{(n+1)!}{n!}=\frac{(n+1)n!}{n!}=n+1\), so option B is correct. The distractor \(n\) may result from incorrectly treating \(n!\) as \(n\). Exam tip: expand the larger factorial in terms of the smaller one before cancelling.

Related tags

Factorial NotationPermutations And CombinationsClass 11 MathematicsFactorial SimplificationAlgebraic CancellationMathematicsClass 11 Mcq

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