Question

Q.4
Find the square of 58 using shortcut method.
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Answer 1

Answer:

f(x) = x^2 - 58

f'(x) = 2x

x(0) = 7

x(i+1) = x(i) - f(x(i))/f'(x(i))

x(1) = 7.642857

x(2) = 7.615821