missarafuweiyi missarafuweiyi
  • 16-02-2021
  • Mathematics
contestada

In an arithmetic sequence, U2= 5 and U3= 11.
Find the common difference.

Find the first term.

Find the sum of the first 20 terms.

Respuesta :

wenrenyou wenrenyou
  • 18-02-2021

Answer:

Common difference:11

first term: 5

sum of the first 20 terms= 84

Step-by-step explanation:

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