Find D If A1 =3, N =27 And The Last Term Is 107

Find d if a1 =3, n =27 and the last term is 107  

Answer:

d=4

Step-by-step explanation:

Given

  • an=107
  • a1=3
  • n=27

  • Arithmethic Sequence:
  • An=a1+(n-1)d

107=3+(27-1)d

107=26d+3

26d=104

  • Divide both sides by 26

d=4

#JuneChallenge


Comments