Question

Which of the following is correct?
(a) (a – b)
2
= a
2
+ 2ab – b
2
(b) (a – b)
2
= a
2
– 2ab + b
2

(c) (a – b)
2
= a
2
– b
2
(d) (a + b)
2
= a
2
+ 2ab – b
2

Answer 1

Step-by-step explanation:

i think it's correct

Good morning have a great day

Answer 2

Answer:

Answer is (b) ( a - b ) ² = a² - 2ab + b²