Let A = {x : x …
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Posted by Nitin Kumar 5 years, 3 months ago
- 2 answers
Yogita Ingle 5 years, 3 months ago
S={x:x is a positive multiple of 3 less than 31}
⟹S={3,6,9,12,⋯,30}
⟹n(S)=10
P={x:x is a prime number less than 30}
⟹P={2,3,5,7,11,13,17,19, 23, 29}
⟹n(P)= 10
n(S)+n(P)=10+10=20
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Prachi Janwani 5 years, 3 months ago
0Thank You