Question

(a + 1/a) (a - 1/a) is equal to
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Answer 1

Answer:

a²+1

Step-by-step explanation:

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Answer 2

HERE IS UR ANSWER DEAR

its in the form of (a+b) (a-b) = a²-b²

so

=(a + 1/a) (a - 1/a)

= (a)² - (1/a)²

= a² - 1/a²

= a⁴ -1/a²