1956 AMC 12 Question 46
AMC12 · 1956 AMC 12
For the equation $\dfrac{1+x}{1-x}=\dfrac{N+1}{N}$ to be true where $N$ is positive, $x$ can have:
any positive value less than $1$
any value less than $1$
the value zero only
any non-negative value
any value