Respuesta :
If the value of n is a positive integer then the first term is always positive. Then the correct option is C.
What is binomial expansion?
The binomial is a polynomial of two-term only. For example, x + 5 where x and 5 are the two separate terms.
The binomial expression is given (a – b)ⁿ.
If the value of the n is positive then the condition will be
There is a negative sign between a and b so it is impossible to have all the terms positive as well as negative.
But the first term will always be positive.
More about the binomial expansion link is given below.
https://brainly.com/question/12249986