Find the arclength of the curve \(y = \ln(\sin(x))\) on the interval \([\dfrac{\pi}{4}, \dfrac{\pi}{2}]\).
A
\(\ln\left(\dfrac{\sqrt{2}}{2} + 1\right)\)
✕
B
\(\ln(1 + \sqrt{2})\)
✕
C
\(\sqrt{2}\)
✕
D
\(\ln(1 + \sqrt{2}) - 1\)
✕
E
\(1 - \ln(1 + \sqrt{2})\)
✕
Question 10 of 20
| MCQ
· Level 3
The area bounded by the lemniscate with polar equation \(r^2 = 2 \cos(2 \theta)\) is equal to
A
\(4\)
✕
B
\(1\)
✕
C
\(\dfrac{1}{2}\)
✕
D
\(2\)
✕
E
None of the above
✕
Question 11 of 20
| MCQ
· Level 2
The graph of the polar equation \(r = \dfrac{1}{\sin \theta - 2 \cos \theta}\) is:
A
a circle
✕
B
a line with slope \(1\)
✕
C
a line with slope \(2\)
✕
D
a parabola
✕
E
a semi-circle
✕
Question 12 of 20
| MCQ
· Level 3
The power series \(x + \dfrac{x^2}{2} + \dfrac{x^3}{3} + ... + \dfrac{x^n}{n} + ...\) converges if and only if:
A
\(-1 < x < 1\)
✕
B
\(-1 \leq x \leq 1\)
✕
C
\(-1 \leq x < 1\)
✕
D
\(-1 < x \leq 1\)
✕
E
\(x = 0\)
✕
Question 13 of 20
| MCQ
· Level 4
The power series \((x + 1) - \dfrac{(x + 1)^2}{2!} + \dfrac{(x + 1)^3}{3!} - \dfrac{(x + 1)^4}{4!} + ...\) diverges:
A
for no real \(x\) values
✕
B
if \(-2 < x \leq 0\)
✕
C
if \(x < -2\) or \(x > 0\)
✕
D
if \(-2 \leq x < 0\)
✕
E
if \(x \neq -1\)
✕
Question 14 of 20
| MCQ
· Level 3
The series \(\displaystyle\sum_{n=0}^{\infty} n! (x - 3)^n\) converges if and only if
A
\(x = 0\)
✕
B
\(2 < x < 4\)
✕
C
\(x = 3\)
✕
D
\(2 \leq x \leq 4\)
✕
E
\(x < 2\) or \(x > 4\)
✕
Question 15 of 20
| MCQ
· Level 4
The interval of convergence of the series obtained through term by term differentiation of the series \((x - 2) - \dfrac{(x - 2)^2}{4} + \dfrac{(x - 2)^3}{9} - \dfrac{(x - 2)^4}{16} + ...\) is:
A
\(1 \leq x \leq 3\)
✕
B
\(1 \leq x < 3\)
✕
C
\(1 < x \leq 3\)
✕
D
\(0 \leq x \leq 4\)
✕
E
None of the above.
✕
Question 16 of 20
| MCQ
· Level 3
The coefficient of \(x^4\) in the Maclaurin series for \(f(x) = e^{-\dfrac{x}{2}}\) is:
A
\(\dfrac{-1}{24}\)
✕
B
\(\dfrac{1}{24}\)
✕
C
\(\dfrac{1}{96}\)
✕
D
\(\dfrac{-1}{384}\)
✕
E
\(\dfrac{1}{384}\)
✕
Question 17 of 20
| MCQ
· Level 3
The Maclaurin polynomial of order 3 for \(f(x) = \sqrt{1 + x}\) is
The coefficient of \(\left(x - \dfrac{\pi}{4}\right)^3\) in the Taylor series about \(\dfrac{\pi}{4}\) of \(f(x) = \cos x\) is
A
\(\dfrac{\sqrt{3}}{12}\)
✕
B
\(\dfrac{-1}{12}\)
✕
C
\(\dfrac{1}{12}\)
✕
D
\(\dfrac{1}{6 \sqrt{2}}\)
✕
E
\(\dfrac{-1}{3 \sqrt{2}}\)
✕
Question 20 of 20
| MCQ
· Level 4
The radius of convergence of the series \(\displaystyle\sum_{n=1}^{\infty} \dfrac{x^n \cdot n^n}{2^n \cdot n!}\) is:
A
\(0\)
✕
B
\(2\)
✕
C
\(\dfrac{2}{e}\)
✕
D
\(\dfrac{e}{2}\)
✕
E
\(\infty\)
✕
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Graphing Calculator
Reference Sheet
Area & Circumference
Circle$A = \pi r^2$, $C = 2\pi r$
Rectangle$A = lw$
Triangle$A = \tfrac{1}{2}bh$
Trapezoid$A = \tfrac{1}{2}(b_1+b_2)h$
Volume
Box$V = lwh$
Cylinder$V = \pi r^2 h$
Sphere$V = \tfrac{4}{3}\pi r^3$
Cone$V = \tfrac{1}{3}\pi r^2 h$
Pyramid$V = \tfrac{1}{3}lwh$
Triangles
Pythagorean Thm$a^2 + b^2 = c^2$
30-60-90sides: $1,\, \sqrt{3},\, 2$
45-45-90sides: $1,\, 1,\, \sqrt{2}$
Triangle Anglessum $= 180°$
Other Facts
Circle Degrees$360° = 2\pi \text{ rad}$
Exterior Angle= sum of non-adjacent interior angles
The number of degrees of arc in a circle is 360. The number of radians of arc in a circle is $2\pi$.
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