Question

5. Find the product of the following:
(i) (x + 1 - y) x (y + 1 - x)
(ii) (a + b + c) x (a-b-c)​

Answer 1

..........................

Answer 2

Answer:

(i). (X+1-y) × (y+1-x)

= xy+x-x²+y+1-x-y²-y+xy

=2xy-x²-y²+2