Simplify
(1/a + a) /a – 1/a^2
= (a^2 + 1)/a /a - 1/a^2
= (a^2 + 1)/a^2 - 1/a^2
= (a^2 + 1 - 1)/a^2
= a^2/a^2
= 1
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Verified answer
(1/a + a) /a – 1/a^2
= (a^2 + 1)/a /a - 1/a^2
= (a^2 + 1)/a^2 - 1/a^2
= (a^2 + 1 - 1)/a^2
= a^2/a^2
= 1