N+ 2 = va-n For what value of the constant a does the above equation have n = 1 as the only solution?

We just started the introduction into circles and i have no idea how to do this.

The tile along the edge of a triangular community pool needs to be replaced? ?

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value