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What will be the value of (6!+1!)?

Answer and explanation

Correct answer: 721

Using factorial notation, \(6!=6\times5\times4\times3\times2\times1=720\) and \(1!=1\). Therefore, \(6!+1!=720+1=721\). Option 719 would result from subtracting 1 from 720, but the question requires addition. Exam tip: evaluate each factorial first, then apply the indicated operation.

Related tags

Factorial NotationPermutations And CombinationsClass 11 MathematicsBasic FactorialsMathematicsClass 11 Mcq

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