Describe the following sets by roster method: Example (i) {x : x + 5x + 6 = 0, x e N} (iii) {x : 4x + 7 < 25, x e N) (v) the set of all letters in the word TRIGONOMETRY. (ii) {x : x² + 6x + 8 = 0, x e Z} (iv) (x : x + 1 = 0, x e N}
Describe the following sets by roster method: Example (i) {x : x + 5x + 6 = 0, x e N} (iii) {x : 4x + 7 < 25, x e N) (v) the set of all letters in the word TRIGONOMETRY. (ii) {x : x² + 6x + 8 = 0, x e Z} (iv) (x : x + 1 = 0, x e N}
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 5SE: Answer the following questions. 5. What is the term for the arrangement that selects r objects from...
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Transcribed Image Text:Describe the following sets by roster method :
Example
(i) {x : x2 + 5x + 6 = 0, x e N}
(iii) {x : 4x + 7 < 25, x e N}
(v) the set of all letters in the word TRIGONOMETRY.
(ii) {x : x2 + 6x + 8 = 0, x e Z}
(iv) {x : x³ + 1 = 0, x e N}
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