Question

Find the product of:-
(¡)xy - ab and xy +ab
(¡¡)2abc -3xy and 2abc+3xy​

Answer 1

Step-by-step explanation:

(xy-ab)(xy+ab)

(xy)2-(ab)2

x2y2-a2b2

2)(2abc-3xy)(2abc-3xy)

(2abc)2-(3xy)2

4a2b2c2-9x2y2