Math

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find the limit:
Lim (49x^2-25)/(7x-5)
x->5/7

  • Math -

    since 79x^2 - 25 = (7x-5)(7x+5)

    f(x) = 7x+5 for x ≠ 5/7

    so, the limit is 7(5/7) + 5 = 10

  • Math -

    thank u

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