Question

-x+py=1 and px-y=1 ​

Answer 1

Answer:

-x+py=1

px- y=1

multiply eq by p

-px +p²y=1

px -y=1

adding both eqns

p²y-y=2

y(p²-1)=2

y=2/ (p²-1)

-x=1-py

x=py-1

x=p*(2/p²-1) -1

x=2p/p²-1 -1

x=2p-p²+1/p²-1