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Stitz-Zeager_College_Algebra_e-book

# According t to theorem 103 the location of the object

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Unformatted text preview: this have to do with the fact that 5 = 5 ? 2 3 9.4 The Binomial Theorem 9.4.2 591 Answers (d) 1260 (g) 56 (b) 720 (e) n + 1 (h) 1 (c) 105 (f) 1. (a) 36 1 k(k+1)(k+2) (i) n(n−1) 2 2. (a) (x + 2)5 = x5 + 10x4 + 40x3 + 80x2 + 80x + 32 (b) (2x − 1)4 = 16x4 − 32x3 + 24x2 − 8x + 1 + y2 3 = (d) x − x−1 4 = x4 − 4x2 + 6 − 4x−2 + x−4 (c) 1 3x 13 27 x 1 + 3 x2 y 2 + xy 4 + y 6 3. (a) −7 − 24i 4. (a) 80x3 y 2 (b) 8 (b) 236x117 (c) −1 7 (c) −24x 2 (d) −40x−7 (e) 70 592 Sequences and the Binomial Theorem Chapter 10 Foundations of Trigonometry 10.1 Angles and their Measure This section begins our study of Trigonometry and to get started, we recall some basic deﬁnitions from Geometry. A ray is usually described as a ‘half-line’ and can be thought of as a line segment in which one of the two endpoints is pushed oﬀ inﬁnitely distant from the other, as pictured below. The point from which the ray originates is called the initial point of the ray. P A ray with initial point P . When two rays share a common initial point they form an angle and the common initial point is called the vertex of the angle. T...
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