সেট A ={xεN:x2>8,x3<30} হলে X এর মান কত?

A    2

B    3

C    4

D    5

Solution

Correct Answer: Option B

 

x2>8,x3<30

x = 3 হলে 32>8, 33<30 হবে (যেখানে xε N ; N = Natural Naumber)

 

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