Question

Plz solve the following questions

Answer 1

Answer:

Step-by-step explanation:

p=a

q=b

r=c

p(b-c) +q(c-a) +r(a-b)=0

a(b-c) +b(c-a) + c(a-b)=0

ab-ac+ bc-ba+ca-cb=0

                               0=0