Question
Mathematics Question on Arithmetic Progression
If coefficient of x4,x5,x6 of (1+x)n are in A.P., then maximum value of n is equal to
A
28
B
21
C
14
D
7
Answer
14
Explanation
Solution
The Correct answer is option(C) : 14
If coefficient of x4,x5,x6 of (1+x)n are in A.P., then maximum value of n is equal to
28
21
14
7
14
The Correct answer is option(C) : 14