Question

P+q=4 and p-q=4 find pq

Answer 1

let us assume p=4& q=0

so, 4+0=4

and, 4-0=4

therefore, pq=4×0=0

hope this helps and mark me as brainliest if it does ✌️

Answer 2

Answer:

P+q=4

=>p=4-q......1

P-q=4

=>4-q-q=4

=>-2q=0

=>q=0

=>p=4

Pq=4x0=0

Hpe it hlps u