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# c3 question Watch

1. this is question 3b from the jan 2007 paper:

use the iterative formua xn+1=(53-2xn)^1/5 , with a suitable starting value, to find the real root of the equation x^5 + 2x - 53=0.

what would be "a suitable starting value"?
2. (Original post by Princess_perfect786)
this is question 3b from the jan 2007 paper:

use the iterative formua xn+1=(53-2xn)^1/5 , with a suitable starting value, to find the real root of the equation x^5 + 2x - 53=0.

what would be "a suitable starting value"?
This has cropped up recently; try searching the forum.
3. (Original post by ghostwalker)
This has cropped up recently; try searching the forum.
i can't find it
4. (Original post by Princess_perfect786)
i can't find it
http://www.thestudentroom.co.uk/show...php?p=28868863

You'll have to go to the top of the thread.
5. (Original post by ghostwalker)
http://www.thestudentroom.co.uk/show...php?p=28868863

You'll have to go to the top of the thread.
thanks

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