Describe the following sets in Roster form:
{ $x : x$ is a letter before $e$ in the English alphabet}

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Solution

${x : x$ is a letter before $e$ in the english alphabet $}$
${a, b, c, d}$

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Similar questions

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}.

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}.

(iv) $x ϵ N : x = 2 n, n ϵ N$ .

(v) $x ϵ R : x > x$ .

(vi) {x : x is a prime number which is a divisor of 60}

(vii) {x : x ix a two digit number such that the sum of its digits is 8}.

(viii) The set of all letters in the word ' Trigonometry'.

(ix) The set of all letters in the word 'Better'.

A = {x : x i s a n a t u r a l n u m b e r, 5 < x < 14}

x : x

60

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