Question

If a=p+q andb=p-q,then the expression a+b÷a-b-a-b÷a+b has a value​

Answer 1

Answer:

a+b = p+q+p-q = 2p

a-b = p+q-p+q = 2q

According to your question

2p/2q-2q/2p

p/q-q/p

p^2-q^2/pq