# Answer to Question #2768 in Quantitative Methods for winston

Question #2768

1. The negative root of the smaller magnitude of the equation: f(x)= 3x^3+10x^2+10x+7=0 is to be obtained.

(a) Find the interval of unit length which contains the root.

(b) Perform two iterations of the bisection method.

(c) Taking the end points of the last interval as initial approximation, perform three iterations of the (i) Secant method (ii) Regula-falsi method.

(a) Find the interval of unit length which contains the root.

(b) Perform two iterations of the bisection method.

(c) Taking the end points of the last interval as initial approximation, perform three iterations of the (i) Secant method (ii) Regula-falsi method.

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