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# Iteration watch

1. We need to find using Newtons method the root to .

Now this is undefined if .Our lecturer says let . Now we get the iteration

Iff for any n, x_n is not equal to 2. However . He then want's us to say whether the sequence is monotonic and whether or not it's increasing. However this sequence doesn't even exist for . Do you think he's made a msitake?
2. (Original post by psanghaLFC)
We need to find using Newtons method the root to .

Now this is undefined if .Our lecturer says let . Now we get the iteration

Iff for any n, x_n is not equal to 2. However . He then want's us to say whether the sequence is monotonic and whether or not it's increasing. However this sequence doesn't even exist for . Do you think he's made a msitake?
well think about what newstons method does? and what does a monotonic graph mean?

and from what you have said - how can this help you come to a conclusion?
3. (Original post by psanghaLFC)
We need to find using Newtons method the root to .

Now this is undefined if .Our lecturer says let . Now we get the iteration

Iff for any n, x_n is not equal to 2. However . He then want's us to say whether the sequence is monotonic and whether or not it's increasing. However this sequence doesn't even exist for . Do you think he's made a msitake?
oh also it is undefined when x = 2, x_2 = 2 is another matter =P

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