Question

Use identity to solve (591)²​

Answer 1

Answer:

349281

Step-by-step explanation:

(600-9)^2

=360000 + 81 - 10800       (using $(a-b)^2 = a^2 + b^2 -2ab$)

=349281

Answer 2

Step-by-step explanation:

(600-9)²

(a-b)²= a²-2ab+b²

=>(600)²-2*600*9+(9)²

=>360000-10800+81

=>349281