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Answered

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If a1 = 5 and 5 and an = -3an-1 then find the value of a5. WILL GET BRAINLIEST ​

If A1 5 And 5 And An 3an1 Then Find The Value Of A5 WILL GET BRAINLIEST class=

Sagot :

Answer:

405

Step-by-step explanation:

Given

  • a₁ = 5
  • aₙ = -3aₙ₋₁

Solving

  • a₂ = -3a₁ = -3(5) = -15
  • a₃ = -3a₂ = -3(-15) = 45
  • a₄ = -3a₃ = -3(45) = -135
  • a₅ = -3a₄ = -3(-135) = 405

a_1=5

  • a_2=-3a_1=-3(5)=-15
  • a_3=-3a_2=-3(-15)=45
  • a_4=-3a_3=-3(45)=-135
  • a_5=-3a_4=-3(-135)=405
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