1
Q
Validating a root lies in a range
A
Substitute each limit and check for a sign change
State that there is a sign change and the function is continuous, therefore root
2
Q
Iteration method
A
Rearrange for a given formula to find x and repeatedly plug in
Show working for first value
3
Q
Newton-Raphson method
A
Differentiate and substitute x into the Newton-Raphson formula
A Level Maths - A2 Pure
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