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Mathematics

Let M = {letters of the word REAL} and N = {letters of the word LARE}. Write sets M and N in roster form and then state whether;

(i) M ⊆ N is true.

(ii) N ⊆ M is true.

(iii) M = N is true.

Sets

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Answer

M = {letters of the word REAL}

M = {R, E, A, L}

N = {letters of the word LARE}

N = {L, A, R, E}

(i) True

Reason

Every elements in set M is also in set N.

(ii) True

Reason

Every elements in set N is also in set M.

(iii) True

Reason

Both sets contain the same elements.

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