# How do you find a one-decimal place approximation for #-root4 200#?

##### 1 Answer

Use some reasonings about

#### Explanation:

More specifically,

To find the

#a_(i+1) = a_i + (n - a_i^4)/(4a_i^3)#

Let

Then:

So

Oct 23, 2015

More specifically,

To find the

#a_(i+1) = a_i + (n - a_i^4)/(4a_i^3)#

Let

Then:

So