Answers

  • Brainly User
2016-07-09T23:42:06+08:00
Common difference, d = -7
a₁ = -38
an = ?
n = 52

Solution:

a₅₂ = a₁ + (n-1) (-7)

a₅₂ = -38 + (52-1) (-7)

a₅₂ = -38 + (51) (-7)

a₅₂ = -38 - 357

a₅₂ = -395


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