Question

Which of the following is true
(a-b)² = a² - b²
(a + b)² = a² + 2ab + b²
(a - b)² = a² - 2ab - b²
(a + b) (a - b) = a² - 2ab + b²​

Answer 1

Answer:

Last option is true.

Step-by-step explanation:

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