TAILIEUCHUNG - Ebook Precalculus mathematics for calculus (7th edition): Part 1
(BQ) Part 1 book "Precalculus mathematics for calculus" has contents: FundamentaLs, functions, polynomial and rational functions, exponential and logarithmic functions, trigonometric functions - unit circle approach; trigonometric functions - right triangle approach. | exponents and radicals x 5 x m2n xn 1 x 2n 5 n x x n xn a b 5 n y y 1 x m 2 n 5 x mn x m x n 5 x m1n n x 1/n 5 !x n n n !xy 5 !x !y n " !x 5 " ! x 5 ! x n m Formulas for area A, perimeter P, circumference C, volume V : x m/n 5 !x m 5 1 !x2 m 1 xy2 n 5 x n y n m geometric formulas m n x !x 5 n Åy !y n n mn special products 1 x 1 y 2 2 5 x 2 1 2 x y 1 y 2 1 x 2 y 2 2 5 x 2 2 2 x y 1 y 2 1 x 1 y 2 3 5 x 3 1 3x 2 y 1 3x y 2 1 y 3 Rectangle Box A 5 l„ V 5 l„ h P 5 2l 1 2„ n h „ Triangle Pyramid A 5 1 bh V 5 1 ha 2 2 3 1 x 2 y 2 3 5 x 3 2 3x 2 y 1 3x y 2 2 y 3 FACtORING formulas x 2 2 y 2 5 1 x 1 y 2 1 x 2 y 2 x 2 1 2xy 1 y 2 5 1 x 1 y 2 2 x 2 2xy 1 y 5 1 x 2 y 2 x 3 1 y 3 5 1 x 1 y 2 1 x 2 2 xy 1 y 2 2 2 2 2 x 3 2 y 3 5 1 x 2 y 2 1 x 2 1 xy 1 y 2 2 2b 6 "b 2 2 4ac 2a „ l l h h a a b Circle Sphere V 5 4 pr 3 3 A 5 pr 2 C 5 2pr A 5 4pr 2 r r QUADRATIC FORMULA If ax 2 1 bx 1 c 5 0, then x5 inequalities and absolute value Cylinder Cone V 5 pr 2h V 5 1 pr 2h 3 r h h r If a , b and b , c, then a , c. If a , b, then a 1 c , b 1 c. If a , b and c . 0, then ca , cb. If a , b and c , 0, then ca . cb. 0 x 0 5 a means x 5 a or x 5 2a. 0 x 0 , a means 2a , x , a. If a . 0, then 0 x 0 . a means x . a or x , 2a. Area 5 !s1s 2 a2 1s 2 b2 1s 2 c2 heron’s formula a1b1c where s 5 2 B c A a b C Copyright 2016 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. d 5 "1 x2 2 x1 2 2 1 1y2 2 y1 2 2 distance and midpoint formulas Graphs of .
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