Find 3 approximations to a root of each equation below using Newton Raphson method, Secant method, and Fixed Point Iterations method. At each iteration, round off the approximation to the nearest 3rd decimal place.
A) (x) = x³-x-1
B) (x) = x²-2x-8
C) (x)=2x³-2x-5
D) (x)=x⁴+3x³-2x²-12x-8
E) (x)=x³-x-2
F) (x)=3x-4co(x)