If `(n+2)! = 210(n-1)!` , then the value of n is

A

5

B

6

C

7

D

4

Verified by Experts

Similar Questions

Explore conceptually related problems

If i^2 = -1 , then the value of sum_(n=1)^200 i^n is

If m and n are degree and order of (1+y_1^2)^(2//3) = y_2 , then the value of "m+n"/"m-n" is

If P(m+n, 2) = 56 and P(m-n, 2) = 12 then the values of m and n are

If f(x)=x^(n),"n" epsilon N , then the value of f(1)-(f^(')(1))/(1!)+(f^('')(1))/(2!)-(f^(''')(1))/(3!)+…+(-1)^(n)(f^(n)(1))/(n!) is

For every integer n, int_(n)^(n+1)f(x)dx=n^(2) , then the value of int_(0)^(5)f(x)dx=

If n is any positive integer, then the value of frac{i^(4n+1)-i^(4n-1)}{2} equals

The real valued function f(x)=(a^x-1)/(x^n(a^x+1)) is even, then the value of n can be