Question

solve
$x = \sqrt{20 + \sqrt{20 + \sqrt{20 + ....} } }$
ans is a whole number
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Answer 1

Step-by-step explanation:

Let x be the number you are looking for. Notice that x=\sqrt(20+x). Square both sides to get x^2=20+x. Solve the equation x^2-x-20=0.

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