Question

In: Math

Use Newton’s method to find the real root (in four decimal places) near 0.5 of the...

Use Newton’s method to find the real root (in four decimal places) near 0.5 of the equation x^5 −4x^2 + 2 = 0

Solutions

Expert Solution

Let f(x) is continuous function with be the initial approximation root of the f(x)=0 than the next root is given by .

In a simlar way the root is given by .

Given and by differentiating f(x) w.r.t x we get .

Now the

rearranging this

Putting we get ,

Similarly by putting in above expression we get the next iterations in the Netwon's merthod as

,

,

.

Hence the real root (in four decimal places) near 0.5 is 0.7471.


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