√[200√[200√[200…….. ∞]]] = ?

√[200√[200√[200……..∞]]] = ?

Quiz

Answer/Solution

200

Steps/Work

Let √[200√[200√[200……..∞]]] = x ; Hence √200x = x
Squaring both sides 200x = x² Þ x (x – 200) = 0
Þ x = 0 or x – 200 = 0 i.e. x = 200
As x cannot be 0, x = 200.
ANSWER:A