Math, asked by BEAGOODGIRL, 11 days ago

a+1/a=4
find:(1) (a-1/a)²=
(2) (a²)+(1/a²)

Answers

Answered by ranjeetcarpet

1

Step-by-step explanation:

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Answered by Anonymous

1

Step-by-step explanation:

(a+1/a)² = a² + 1/a² + 2(a)(1/a)

(a+1/a)² = 23 + 2

(a+1/a)² = 25

(a+1/a) = √25

a + 1/a = 5

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