Trial paper question (2 Viewers)

[mathsbrain]

I am asking for question 5...is the question faulty or im missing something, cant seem to understand why there is a 1-g'(a) in the denominator...

 

[Marc26]

Because isn't that part of Newtons method in polys?
http://en.wikipedia.org/wiki/Newton's_method
^ Formula there

 

[mathsbrain]

Because isn't that part of Newtons method in polys?
http://en.wikipedia.org/wiki/Newton's_method
^ Formula there

The denominator should be g'(a), why is there a 1 adding/subtracting it?

 

[seanieg89]

The denominator should be g'(a), why is there a 1 adding/subtracting it?

What is the derivative of g(x) + a - x?

 

[mathsbrain]

what is the derivative of g(x) + a - x?

got it!! Cheers!