Question

Factorise:

a) x² - 2xy + y² - z²
​

Answer 1

Answer:

Your answer is in the img form.

Answer 2

Answer:

GIVEN

x²-2xy+y²-z²

TO FIND OUT

factorial form of given equation

solution

(x²−2xy+y²)−z²

⇒[x(x−y)−y(x−y)]−z²

⇒(x−y)(x−y)−z².

⇒(x−y)²−z²

⇒[(x−y)+z][(x−y)−z]

⇒(x−y+z)(x−y−z). (Ans)

⛔ NONEXISTENT ⛔