- #1
SherlockOhms
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Homework Statement
Derive cube root formula using Newton-Rhapson's method. x - y^3 = 0.
Homework Equations
xn + 1 = xn - f(xn)/f'(xn)
The Attempt at a Solution
I know that the solution is (2y + (x/y^2))/3
I tried using implicit differentiation and stuff but I can't get this out. Any tips?