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4

What is the sum of the infinite geometric series: 1 + 1/2 + 1/4 + 1/8 + ...?

A. 1

B. 2

C. 4

D. 8

Correct Answer :

B. 2


Related Questions

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4

Which of the following is a method for approximating definite integrals using rectangles?

A. Trapezoidal Rule

B. Simpson's Rule

C. Fundamental Theorem of Calculus

D. L'H�pital's Rule

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4

Which of the following parametric equations represents a horizontal line?

A. x = t, y = 0

B. x = 0, y = t

C. x = t, y = t

D. x = 0, y = 0

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4

What is the sum of the first n terms of an arithmetic series with first term a and common difference d?

A. n(a + d)

B. n(2a + (n-1)d)/2

C. n(a + d)/2

D. a + nd

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4

What is the limit of (sin(x))/x as x approaches 0?

A. 0

B. 1

C. p

D. undefined

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4

What is the sum of the first n terms of an arithmetic series with first term a and common difference d?

A. n(a + d)

B. n(2a + (n-1)d)/2

C. n(a + d)/2

D. a + nd

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4

Which integration technique is used to find the integral of rational functions by decomposing them into partial fractions?

A. Integration by parts

B. Trigonometric substitution

C. Integration by substitution

D. Partial fraction decomposition

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4

In polar coordinates, what is the equation of a circle with radius r and center at the origin?

A. r = 1

B. r = vx^2 + y^2

C. r = 2?

D. r = 2

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4

The polar equation r = 2 + 3cos(?) represents a:

A. Circle

B. Parabola

C. Cardioid

D. Spiral

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4

Which test can be used to determine the convergence or divergence of a series when the terms are positive, decreasing, and approach zero?

A. Integral Test

B. Ratio Test

C. Alternating Series Test

D. Divergence Test

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4

What is the nth term of the geometric sequence: 3, 6, 12, 24, ...?

A. 3^n

B. 3^(n+1)

C. 2^n

D. 2^(n+1)

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4

The chain rule states that if y = f(g(x)), then dy/dx is equal to:

A. f'(x) * g(x)

B. f'(g(x)) * g'(x)

C. f(x) * g(x)

D. f(x) * g'(x)

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4

In polar coordinates, what is the equation of a circle with radius r and center at the origin?

A. r = 1

B. r = vx^2 + y^2

C. r = 2?

D. r = 2

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4

What is the derivative of the function g(x) = e^(3x^2)?

A. 6x * e^(3x^2)

B. 3x^2 * e^(3x^2)

C. 6x * e^(3x)

D. e^(3x)

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4

What is the integral of 2x dx?

A. x^2 + C

B. x^2

C. x + C

D. 2x^2 + C

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4

If F(x) is an antiderivative of f(x), what is the relationship between F(b) and F(a) in the context of the Fundamental Theorem of Calculus?

A. F(b) = F(a)

B. F(b) - F(a) = f(b) - f(a)

C. F(b) - F(a) = ?(a to b) f(x) dx

D. F(b) - F(a) = 0

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4

What is the order of the differential equation dy/dx = 3x^2 - 2y?

A. First order

B. Second order

C. Third order

D. Fourth order

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4

What is the derivative of the vector-valued function r(t) = ?

A. <2t, 3, 6t^2>

B. <2t, 3t, 6t^2>

C.

D. <2t, 3t, 4t^2>

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4

A solution to a first-order linear homogeneous differential equation always has:

A. Two arbitrary constants

B. One arbitrary constant

C. No arbitrary constants

D. Three arbitrary constants

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4

What is the radius of convergence for the power series ?(n=0 to 8) (2^n*x^n/n!)?

A. 1

B. 2

C. 8

D. 0

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4

What is the radius of convergence for the power series ?(n=0 to 8) (2^n*x^n/n!)?

A. 1

B. 2

C. 8

D. 0

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4

What is the derivative of ln(x) with respect to x?

A. 1/x

B. x

C. e^x

D. 0

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4

What does the second derivative f''(x) tell you about a function f(x)?

A. The rate of change of f(x)

B. The concavity of f(x)

C. The slope of the tangent line to f(x)

D. The area under the curve of f(x)

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4

If a curve C is parameterized by r(t) = , what type of curve is it?

A. A line

B. A circle

C. A parabola

D. An ellipse

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4

The Mean Value Theorem for Integrals states that for a continuous function f(x) on the interval [a, b], there exists a c in (a, b) such that:

A. f(c) = 0

B. f'(c) = 0

C. f(c) = (b - a) * f'(c)

D. f'(c) = 1/(b - a)

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4

What is the general solution to the differential equation dy/dx + 2y = 4x?

A. y(x) = 2x^2 + C

B. y(x) = 2x^2 + 4x + C

C. y(x) = 2x^2 + 4x

D. y(x) = 2x^2

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4

If f(x) = x^3 - 12x^2 + 45x, where does f(x) have a local maximum?

A. x = 3

B. x = 6

C. x = 9

D. x = 12

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4

Which of the following parametric equations represents a horizontal line?

A. x = t, y = 0

B. x = 0, y = t

C. x = t, y = t

D. x = 0, y = 0

What is the correct answer?

4

What is the limit of (e^x - 1)/x as x approaches 0?

A. 0

B. 1

C. e

D. undefined

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4

The alternating series test can be used to determine the convergence of a series if the terms of the series:

A. Are all positive.

B. Alternate in sign and decrease in absolute value.

C. Are decreasing.

D. Are increasing.

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4

What is the magnitude of the vector <3, 4, 5>?

A. v6

B. 7

C. v50

D. 25