Question

20+ 20+20.....
T
evaluate this problem​

Answer 1

y=20+1/(20+1/20.......)

y=20+1/y

y²-20y-1=0

y=20±√(400-4×1×-1)/2×1

y={20±√(404)}/2

y=(20±20.09975)/2

y=40.09975/2=20.0495