Question

Factorise the following​

Answer 1

Answer:

https://vdnt.in/rbUyi

Answer 2

Check : 1 is the square of 1

Check : x2 is the square of x1

Factorization is : (1 + x) • (1 - x)

Check : 1 is the square of 1

Check : y2 is the square of y1

Factorization is : (1 + y) • (1 - y)

Step-by-step explanation:

1. (x+1)•(1-x)•(y+1)•(1-y)+4xy

1. x2y2 - x2 + 4xy - y2 + 1(ans)