Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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Show that the Set of Letters Needed to Spell "Cataract" and the Set of Letters Needed to Spell "Tract" Are Equal. - Mathematics

Show that the set of letters needed to spell "CATARACT" and the set of letters needed to spell "TRACT" are equal. 

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Solution

Letters required to spell CATARACT are {C, A, T, R}. Let this set be denoted as E.
{C, A, T, R}
Letters required to spell TRACT are {T, R, A, C}. Let this set be denoted as F.
F = {T, R, A, C}
The two sets E & F are equal because every element of E is a member of F & every element of F is a member of E.

Concept: Equal Sets
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APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 1 Sets
Exercise 1.3 | Q 9 | Page 10
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