Write the iterative newton root finding function, MATLAB Programming

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Write the iterative Newton root nding function from lecture to be recursive. The function declaration should be root = newtonRec(f,df,x,tol). The inputs to the function are:
?

f a handle to the function
?df a handle to the derivative of the function
x an estimate of the root
? tol the tolerance to nd the root within

The ouput of the function root is a root of the function satisfying abs(f(root))

Remove all code from the lecture version that causes display.

Note: Your roots may dier slightly from those in the test cases, but should satisfy the specied tolerance. You are not allowed to use any of Matlab's builtin root nding functions.

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