Write the set A { x:x= n²} in roaster form
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1
Answer:
{1,4,9,16.... } if x belongs to N
here data is incomplete.x belongs to which set ???
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1
Corection:—
Write the following set in roster form also write its cardinal number A={x/x=3n;n∈Nandn<8}
ANSWER
x=3n
where n is a natural number and n<8
So, n can be any digit from 1,2,3,4,5,6,7
So, in roster form
A={3,6,9,12,15,18,21}
Cardinal number = no. of distinct elements in the Set=7
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