Question

17. Factorize the polynomial - r2 + p2+ q2 - 2pq​

Answer 1

Answer:

(p-q-r) (p-q+r)

Step-by-step explanation:

-r^2+p^2+q^2-2pq

=(p-q)^2-r^2

=(p-q-r) (p-q+r)

[(a^2-b^2) = (a-b) (a+b)