Respuesta :
From the given function, p has exactly one value which is zero.
Value of the function
p + pq = 4(p - pq)
open the bracket;
p + pq = 4p - 4pq
collect similar terms together
pq + 4pq = 4p - p
5pq = 3p
5pq - 3p = 0
p(5q - 3) = 0
p = 0 or 5q - 3 = 0
q = 0 or 3/5
Thus, from the given function, p has exactly one value which is zero.
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