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# Solutions for Chapter 12.2: Arithmetic Sequences and Series ## Full solutions for Algebra and Trigonometry, | 3rd Edition

ISBN: 9780840068132 Solutions for Chapter 12.2: Arithmetic Sequences and Series

Solutions for Chapter 12.2
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##### ISBN: 9780840068132

This textbook survival guide was created for the textbook: Algebra and Trigonometry,, edition: 3. This expansive textbook survival guide covers the following chapters and their solutions. Since 88 problems in chapter 12.2: Arithmetic Sequences and Series have been answered, more than 47427 students have viewed full step-by-step solutions from this chapter. Chapter 12.2: Arithmetic Sequences and Series includes 88 full step-by-step solutions. Algebra and Trigonometry, was written by and is associated to the ISBN: 9780840068132.

Key Calculus Terms and definitions covered in this textbook
• Acceleration due to gravity

g ? 32 ft/sec2 ? 9.8 m/sec

• Amplitude

See Sinusoid.

• Blind experiment

An experiment in which subjects do not know if they have been given an active treatment or a placebo

• Cone

See Right circular cone.

• Imaginary unit

The complex number.

• Independent variable

Variable representing the domain value of a function (usually x).

• Inverse tangent function

The function y = tan-1 x

• Magnitude of a real number

See Absolute value of a real number

• Midpoint (on a number line)

For the line segment with endpoints a and b, a + b2

• Open interval

An interval that does not include its endpoints.

• Plane in Cartesian space

The graph of Ax + By + Cz + D = 0, where A, B, and C are not all zero.

• Probability of an event in a finite sample space of equally likely outcomes

The number of outcomes in the event divided by the number of outcomes in the sample space.

• Quotient of functions

a ƒ g b(x) = ƒ(x) g(x) , g(x) ? 0

• Random behavior

Behavior that is determined only by the laws of probability.

• Response variable

A variable that is affected by an explanatory variable.

• Riemann sum

A sum where the interval is divided into n subintervals of equal length and is in the ith subinterval.

• Simple harmonic motion

Motion described by d = a sin wt or d = a cos wt

• Statistic

A number that measures a quantitative variable for a sample from a population.

• Triangular number

A number that is a sum of the arithmetic series 1 + 2 + 3 + ... + n for some natural number n.

• Trigonometric form of a complex number

r(cos ? + i sin ?)

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