Question

(1+pq)²
me ajudem pfvr!!!​

Answer 1

(1 + pq)²
(1 + pq) • (1 + pq)
1 + pq + pq + p²q²
1 + 2pq + p²q²

Answer 2

${(1 + pq)}^{2} = \\ 1 + pq + pq + {p}^{2} {q}^{2} = \\ 1 + 2pq + {p}^{2} {q}^{2}$

Espero ter ti ajudado! :)