3x2 +11.'dwhere an e N and goalsn) = 1, then find uswhere , ne N and gcda, n) = 1, then find the value of an> 113

If n! +(n-1) ! =3, then find the value of n.

If (n+3)! =56 x (n+1)!, Find the value of n.

If ^(2n)C_3: ^nC_3=11:1 find the value of n.

int_(2)^(4) (3x^(2)+1)/((x^(2)-1)^(3))dx = (lambda)/(n^(2)) where lambda, n in N and gcd(lambda,n) = 1 , then find the value of lambda + n

If .^(n+1)C_n=11 , then find n.

If 2n _(c_3) : n _(c_3) =11:1 find n Also find the value of n

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of n .

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of n .

The first three terms in the expansion of (1+ax)^(n)(n ne 0) are 1,6x, and 16x^(2) . Then find the value of a and n.