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# Use Newton-Raphson to find a solution to the polynomial equation f(x) = y where y =...

Use Newton-Raphson to find a solution to the polynomial equation f(x) = y where y = 0 and f(x) = x^3 + 8x^2 + 2x - 40. Start with x(0) = 1 and continue until (6.2.2) is satisfied with e= 0.0000005.

by mistake i have written 6 iterations, it is 5 iteration.

so after 5 iteration,

x= 1.91062806627

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