Question

(px + qy)² ‐ (qx + py)² simplyfy using identities

Answer 1

Answer:

solvex

Step-by-step explanation:

(px + qy)² ‐ (qx + py)² = { (px + qy) + (qx + py) } { (px + qy) ‐ (qx + py) }

= {(p + q) x + (p + q)y} { (p- q )x ‐ (p  - q) y }

= (p+q)(x+y)(p-q)(x-y)