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JEE MATHEMATICS MCQ: COMBINATIONS

1 Easy

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Application +4 | -1

If

{\;^{n - 1}}{C_3} + {\;^{n - 1}}{C_4} > {\;^n}{P_3},

then

View answer and explanation

Correct option: C

n > 7

Option C (

n > 7

) is correct because solving the inequality

{\;^{n - 1}}{C_3} + {\;^{n - 1}}{C_4} > {\;^n}{P_3}

leads to the condition

n > 7

.

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n