how to solve the polynomial P (1+r/2)

Question

It is a polnomial

Answer 1

Yes this is a polynomial.  There are a few simple rules when deciding if something is in fact a polynomial or not.  Here we have a monomial times a monomial.  A polynomial can not be divided by a variable which is not the case here so Yes! my dear, we have a polynomial.

Answer 2

Not clear.