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Methods2026 NHT Exam 2 Section A · Q5CAS active1 mark

Newton's method first iteration

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Newton's method can be applied to find an approximate solution to $e^{-x} - 2 = 0$ .

If the initial value is $x_0 = a$ , where $a$ is a real number, then the value of $x_1$ is

1 mark

A

2e^{a} - 1

B

1 - 2e^{a}

C

2e^{a} - a - 1

D

1 + a - 2e^{a}

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