a-²× 1/a-² please answer me
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Answer:
a-²× 1/a-² please answer me
a-²× 1/a-² = 1
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Answer:
(a+b) (a-b) =a^2-b^2
a^2-1/a^2 =(a) ^2-(1/a) ^2
= (a+ 1/a) (a- 1/a)
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