Differences of zeroes
Source:
March 3, 2010
Problem Statement
The difference between the larger root and the smaller root of x^2 \minus{} px \plus{} (p^2 \minus{} 1)/4 \equal{} 0 is:
(A)\ 0 \qquad
(B)\ 1 \qquad
(C)\ 2 \qquad
(D)\ p \qquad
(E)\ p\plus{}1