Use properties of power series, substitution, and factoring of constants to find the first four nonzero terms of the Taylor ser
ies centered at 0 for the function given below. Use the Taylor series (1 plus x )Superscript negative 2 Baseline equals 1 minus 2 x plus 3 x squared minus 4 x cubed plus times times times, for negative 1 less than x less than 1. (1 plus 9 x )Superscript negative 2 The first term is nothing. The second term is nothing. The third term is nothing. The fourth term is nothing.
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For this case, the first thing we must do is define a variable.
We have then:
x: unknown number
We now write the equation that models the problem:
From here, we clear the value of x.
We multiply both sides of the equation by 2:
We subtract 30 on both sides of the equation:
Answer:
The value of the unknown number is given by: