Q3 (i) If f(x) =

x²- 1 / x - 1

for x ≠ 1 and f(x) = 2 when x = 1, show that the function is continous at x = 1
(ii) A function f is defined as f(x) =   

x2 - x - 6 / x - 3 , x ≠ 3

5         x = 3

Show that f is continuous at x = 3

Solution

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