Statement 1: The total number of dissimilar terms in the expansion of `(x_1+x_2++x_n)^3i s(n(n+1)(n+2))/6dot` Statement 2: The total number of dissimilar terms in the expansion of `(x_1+x_2+x_3)^ni s(n(n+1)(n+2))/6dot`

Statement 1: The total number of dissimilar terms in the expansion of (x_(1)+x_(2)++x_(n))^(3)is(n(n+1)(n+2))/(6) Statement 2: The total number of dissimilar terms in the expansion of (x_(1)+x_(2)+x_(3))^(n)is(n(n+1)(n+2))/(6)

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

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:

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

Find the totoal number of distnct or dissimilar terms in the expansion of (x + y + z + w)^(n), n in N

Find the totoal number of distnct or dissimilar terms in the expansion of (x + y + z + w)^(n), n in N

Find the totoal number of distnct or dissimilar terms in the expansion of (x + y + z + w)^(n), n in N

Find the number of terms in the expansion of (1+x)^n(1-x)^n .