Ask a limit problem of higher mathematics The calculation of LIM (x) tends to 2) x2-x-2 / x2-4 (Note: x2-x-2 divides x2-4) The calculation of LIM (x) tends to 2) x2-x-2 / x2-4 (Note: x2-x-2 divides x2-4)

lim(x2-x-2)/(x2-4)
=lim(x-2)(x+1)/(x-2)(x+2)
=lim(x+1)/(x+2)
=3 / 4 (x tends to 2)

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