ashyellybok12 ashyellybok12
  • 24-02-2020
  • Mathematics
contestada

(d)find the hcf of 21 and 84​

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TheAnimeGirl
TheAnimeGirl TheAnimeGirl
  • 24-02-2020

I m not sure about my ans.

Ver imagen TheAnimeGirl
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Hrishii
Hrishii Hrishii
  • 24-02-2020

Step-by-step explanation:

[tex]21 = 3 \times 7 \\ \\ 84 = 2 \times 2 \times 3 \times 7 \\ \\ common \: factors \: = 3 \: and \: 7 \\ \\ \therefore \: hcf \: of \: 21 \: and \: 84 = 3 \times 7 = 21[/tex]

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