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LetA={:isaninteger,12 <<72},={2,3,4}.
(a) Write A in the roster form (1) (b)Verifythat(−)∪(∩)=A

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LetA={:isaninteger,12 <<72},={2,3,4}.
(a) Write A in the roster form (1) (b)Verifythat(−)∪(∩)=A

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Kinsley

22. N is a perfect number. What is the ratio of the sum
of the factors of N to N?
(A) 1 (B) 2. (C) 3
(D) 4​

Write down s-s-s
test of congruence of triangle
Ans​

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