Question

is it true or false? explain it by step by step with an example​

Answer 1

Answer:

True

Step-by-step explanation:

(a+b) (a-b) = a² - b²

(√a - √b) (√a - √b) = a - b

Answer 2

True .... try to solve it using the identity:

(a+b)×(a-b) = a²-b²

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