The number of terms in an expression `4x+9` is 3

Find the number of terms in the expansion of the following : (2x-3y + 4z)^n .

If the number of terms in the expansion of (1-2/x+4/(x^(2)))^n x ne 0 , is 28 , then the sum of coefficient of all the terms in this expansion, is

Identify the coefficients of the terms of the following expressions 4x-3y

Find the number of dissimilar terms in the expasion of ( 1- 3x + 3x^(2) - x^(3))^(33)

Find the sum to indicated number of terms of the geometric progressions given below:- x^3, x^5, x^7, ... n terms( if x ne +-1 ).

Find the values of the following expressions for x = 2. 4x – 3

The middle term of the expression (2a - 3b) ^(2) is

Which out of the following are expressions with numbers only? 3x