Question

if p(1/q)=-1, then which of the following is NOT nessrily true?
A) P+q=0
B) p-q=2p
C) pq=-p^2
D) p^2 + q^2=2p^2
E) p= -1/q

Answer 1

E)
p/q=-1
p= -q ; not p=-1/q

Answer 2

thank you :)