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Obtain Lim(xrarr2) ((Cos alpha)^(x)+(Sin...

Obtain `Lim_(xrarr2) ((Cos alpha)^(x)+(Sin alpha)^(x)-1)/(x-2) ` , where `(0 lt alphalt pi/2)`

A

`Sin^2 alpha Log_(e) Sinalpha - Cos^2 alpha Log_(e) Cos alpha`

B

`Cos^2 alpha Log_(e) Sinalpha - Sin^2 alpha Log_(e) Cos alpha`

C

`Cos^2 alpha Log_(e) Cosalpha - Sin^2 alpha Log_(e) Sin alpha`

D

`Cos^2 alpha Log_(e) Cosalpha + Sin^2 alpha Log_(e) Sin alpha`

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