+537 Suppose that \(\begin{array}{@{}c@{\;}c@{}c@{}c} && &P_b \\ & \times & & P_b \\ & & Q & P_b, \\ \end{array} \) where P, Q, and b represent three distinct digits 1-9. If\(Q=\frac{P}{2}\), and P is two less than b, what is the value of the digit P?
(b means base b)
Sorry about the latex, don't know how to do a horizontal line. ( Please help)
