Use Newton’s method with initial approximation x1 =-1to find x2 , the second approximation to the root of the equation x4-x-1=0. Explain how the methodworks by first graphing the function and its tangent lineat (1, -1) .
Use Newton’s method with initial approximation x1 =-1to find x2 , the second approximation to the root of the equation x4-x-1=0. Explain how the methodworks by first graphing the function and its tangent lineat (1, -1) .
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Author:Bruce Crauder, Benny Evans, Alan Noell
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Use Newton’s method with initial approximation x1 =-1to find x2 , the second approximation to the root of the equation x4-x-1=0. Explain how the methodworks by first graphing the function and its tangent lineat (1, -1) .
Expert Solution
Step 1
The given function is ,
with initial approximation .
To Find: Second approximation using Newton's method.
To Explain: Newton's method graphically by drawing tangent line at (1,-1).
Step 2
The given function is ,
.
.
Iteration rule of Newton's method:
.
Here first approximation is .
1st iteration:
Thus, the next approximation .
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