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Evaluate: lim(x->0)(e^x+e^(-x)-2)/(x^2)...

Evaluate: `lim_(x->0)(e^x+e^(-x)-2)/(x^2)`

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Verified by Experts

`underset(xto0)lim(e^(x)+e^(-x)-2)/(x^(2))" "`(form 0/0)
`=underset(xto0)lim(1)/(e^(x))((e^(x)-1)/(x))^(2)`
=1
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