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1. (10 marks) Determine the following limits: (a) lim ( x2 - 4x +3 - x2 +1) (b) lim tan² x X-0 secx - 1
1. (10 marks) Determine the following limits: (a) lim ( x2 - 4x +3 - x2 +1) tan-x (6) lim x=0 secx - 1
12. lim x* equals (a) (b) 1 () (d) e (e) .