Find the number of nonzero terms in the expansion of `(1+3sqrt(2)x)^9+(1-3sqrt(2)x)^9dot`

The non zero terms in the expansion of (1+3sqrt(2)a)^(9)+(1-3sqrt(2)a)^(9) is

What is the number of non-zero terms in the expansion of (1+2 sqrt(3)x)^(11) + (1 - 2 sqrt(3)x)^(11) (after simplification)?

The number of terms in the expansion of (1+7sqrt(2x))^9+(1-7sqrt(2x))^9 is

Find the number of integral terms in the expansion of (sqrt(2)+(3)^((1)/(3)))^(87)

Find the number of terms in the expansions of the following: (1+sqrt(2)x)^(9)+(1-5sqrt(2)x)^(9)