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Artemon [7]
4 years ago
10

Which number is prime? 21 22 23 24

Mathematics
2 answers:
Kobotan [32]4 years ago
7 0

Step-by-step explanation:

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prime numbers - prime numbers numbers are those numbers who have only one factor 1 and that no it self

  • 21 is divisible by 3 and 7 so it is not a prime number
  • 22 is divided by 2 and 11 so it is not a prime number
  • 23 is divisible by oly 1 and the number it self it means 23 is a prime number
  • 24 is divisible by 2 , 3, 4, 8, 12

Hope it helps u mate

Artemon [7]4 years ago
5 0

Answer:

23 is the prime number

How?

▶

<u>21 is divisible by 3</u>

<u>21 is divisible by 322 is divisible by 2</u>

<u>21 is divisible by 322 is divisible by 223 is not divisible by any no. </u>

<u>21 is divisible by 322 is divisible by 223 is not divisible by any no. 24 is divisible by 2 </u>

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Any value of x

<em></em>

Step-by-step explanation:

Given

f(x) = \sqrt{x^2 - 1}

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Required

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Equate f(g(x)) and g(f(x))

f(g(x)) = g(f(x))

x = x

<em>This implies that </em>f(g(x)) = g(f(x))<em> at any value of x</em>

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