Questions
Question 1
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In \(a_0+a_1(x-c)+a_2(x-c)^2+\cdots\), what is \(a_1\)?
Question 2
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State the Taylor coefficient formula for \(a_n\).
Question 3
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Find \(a_0\), \(a_1\), and \(a_2\) in \(7+3(x-2)-5(x-2)^2\).
Question 4
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If \(f(4)=9\) and \(f'(4)=-1\), find \(a_0\) and \(a_1\) for the Taylor series about \(4\).
Question 5
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If \(f(0)=2\), \(f'(0)=6\), and \(f''(0)=10\), find \(a_0\), \(a_1\), and \(a_2\).
Question 6
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Find the coefficient of \((x+3)^4\) in \(1-2(x+3)^2+8(x+3)^4\).
Question 7
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Simplify \(4+2x+6\) and identify \(a_0\) and \(a_1\) about \(0\).
Question 8
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Write \(x^2\) in powers of \((x-2)\), and give \(a_0\), \(a_1\), and \(a_2\).
Question 9
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For \(f(x)=x^3\), find \(a_0\), \(a_1\), \(a_2\), and \(a_3\) about \(0\).
Question 10
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For \(a_n=\frac{(-1)^n}{n+2}\), list \(a_0\), \(a_1\), \(a_2\), and \(a_3\).
Question 11
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A Taylor series about \(1\) begins \(4+6(x-1)-3(x-1)^2\). Find \(f(1)\), \(f'(1)\), and \(f''(1)\).
Question 12
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Explain why the quadratic coefficient is not usually equal to the second derivative.
Question 13
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Find the first four coefficients of \(e^{3x}\) about \(0\).
Question 14
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Write \(2x^2-x+5\) in powers of \((x-1)\), and find \(a_0\), \(a_1\), and \(a_2\).
Question 15
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Interpret \(U(x)=U_0+0(x-c)+\frac{k}{2}(x-c)^2+\cdots\) near equilibrium.
Question 16
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Find \(a_0\), \(a_1\), \(a_2\), and \(a_3\) for the Maclaurin series of \(\sin x\).
Question 17
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For coefficients \(a_n=n!\), explain why \(\sum a_nx^n\) has radius \(0\).
Question 18
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Diagnose the error: \(a_3=f'''(c)\) in every Taylor series.
Question 19
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Show that coefficients depend on the centre by writing \(x^2\) about \(0\) and about \(1\).
Question 20
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Explain how \(a_0\), \(a_1\), and \(a_2\) encode value, slope, and curvature in a Taylor model.