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2 years ago

9

If a-1/a = 8 find the value of (a+1/a) square

1 answer:

Strike441 [17]2 years ago

8 0

Answer:

(1) a+1/a=8a+2/8a+1

(2) a²-1/a²=(a+1)(a-1))a²

(8a+2)(8a)/(8a+1)²

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