Limits

Step 1: Divide numerator and denominator by aⁿ. (1+(b/a)ⁿ)/(1-(b/a)ⁿ)
Step 2: Since b/a<1, limit → 1.

Dividing numerator and denominator by aⁿ: (1+(b/a)ⁿ)/(1-(b/a)ⁿ) Since 0<(b)/(a)<1, (b/a)ⁿ\to0 Limit =1.