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Describe the ...

Question

Describe the following sets in Roster form :
(i) {x/x is a letter of the word 'MARRIAGE'}
(ii) {x/x is an integer and - \dfrac{1}{2} < x < \dfrac{9}{2}}
(iii) $x / x = 2 n, x ϵ N, n ϵ N$

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Solution

That would be

$x = M, A, R, G, E$ in the roster form-

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Similar questions

- \frac{1}{2} < x < \frac{9}{2}

=

\subset

x

\in

N : x = 2 n, n

\in

Write the following sets in roster form:

(i) A = {x: x is an integer and –3 < x < 7}.

(ii) B = {x: x is a natural number less than 6}.

(iii) C = {x: x is a two-digit natural number such that the sum of its digits is 8}

(iv) D = {x: x is a prime number which is divisor of 60}.

(v) E = The set of all letters in the word TRIGONOMETRY.

(vi) F = The set of all letters in the word BETTER.

A =

x : x

- 3 < x < 7

Describe the following sets in Roster form :

(i) {x : x is a letter before e in the English alphabet}.

(ii) { $x ϵ N : x^{2} < 25$ }

(iii) { $x ϵ N$ : x is a prime number, 10 < x < 20}.

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