The number of terms in the expansion of `(x+1/x+1)^n` is (A) 2n (B) `2n+1` (C) `2n-1` (D) none of these

The number of term in the expansion of (x-1/x)^2n is…….

The number of terms in the expansion of (x^2+1+1/x^2)^n, n in N , is:

The number of terms in the expansion of (x^2+1+1/x^2)^n, n in N , is:

n th term in the expansion of (x+(1)/(x))^(2n)

Statement-1 The number of terms in the expansion of (x + (1)/(x) + 1)^(n) " is " (2n +1) Statement-2 The number of terms in the expansion of (x_(1) + x_(2) + x_(3) + …+ x_(m))^(n) "is " ^(n + m -1)C_(m-1) .

Statement-1 The number of terms in the expansion of (x + (1)/(x) + 1)^(n) " is " (2n +1) Statement-2 The number of terms in the expansion of (x_(1) + x_(2) + x_(3) + …+ x_(m))^(n) "is " ^(n + m -1)C_(m-1) .

Statement-1 The number of terms in the expansion of (x + (1)/(x) + 1)^(n) " is " (2n +1) Statement-2 The number of terms in the expansion of (x_(1) + x_(2) + x_(3) + …+ x_(m))^(n) "is " ^(n + m -1)C_(m-1) .

The number of terms in the expansion of (x^(2)+1+(1)/(x^(2)))^(n),n in N, is:

The number of distinct terms in the expansion of is (x^(3)+(1)/(x^(3))+1)^(n) is (a) 2n (b) 3n (c) 2n+1 (d) 3n+1

Prove that the middle term in the expansion of (x+ 1/x)^(2n) is (1.3.5…(2n-1)/(n! 2^n