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JEE MATHEMATICS MCQ: COMBINATIONS

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If

n

is even and

{ }^n C_0 < { }^n C_1 < { }^n C_2 < \cdots < n C_r>{ }^n C_{r+1}>\cdots > { }^n C_n

then

r=

View answer and explanation

Correct option: A

\frac{n}{2}

Option A (

\frac{{n}}{{2}}

) is correct because for even n, the binomial coefficient

{ }^n C_r

is maximum when r = n/2.

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n