Question

Factorise
13. a^2 - (b-c)^2​

Answer 1

Answer:

We have,

a ^2 −(b−c)^ 2

Since, x^2 −y ^2 =(x+y)(x−y)

Thus,

⇒[a−(b−c)][a+(b−c)]

⇒(a−b+c)(a+b−c)

Hence, this is the answer.