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Simplify (a+1/a)^2-(a-1/a)^2​
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Simplify (a+1/a)^2-(a-1/a)^2​

User Kamal Reddy
by
4.8k points

1 Answer

1 vote
Answer: 4/a

Step-by-step explanation:
(a+1/a)^2 - (a-1/a)^2
= (a^2 + 2a + 1)/a^2 - (a^2 - 2a + 1)/a^2
= (a^2 + 2a + 1 - a^2 + 2a - 1)/a^2
= 4a/a^2
= 4/a
User Mbartn
by
5.2k points
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