class work 3 9 ) Use Newton's method with initial approximation XI =-l to find the third approximation to the solution of the equation 1 3 1+ X + 3 =0 10 ) Use Newton's method to find the third approximation of 4 57 5 . Let X = 2.5 1) Find f . + ( X ) = - 2 + 12 X - 12x, (10)=4, flo ) = 12