Question

The factorisation of 1 + p + q + r + pq + qr + pr + pqr is
2 points
a. (1 + p)(1 + q)(1 + r)
b. (1 – p)(1 – q)(1 – r)
c. (1 – p)(1 – q)(1 + r)
d. (1 + p)(1 – q)(1 – r)​

Answer 1

Answer:

$answer$

$d. \: (1 + p)(1 + q)(1 + r)$