2. Solve for x if the following terms form an arithmetic sequence, (3x),(7x-14) and 5x - 4. Solution: given: a₁ = 3x a₂= 7x14 a, = 5x -4 d=a₂-a₁ d = a - a₂ (a₂-a₁) = (a - a₂) answer, x = 4, show your solutions.
2. Solve for x if the following terms form an arithmetic sequence, (3x),(7x-14) and 5x - 4. Solution: given: a₁ = 3x a₂= 7x14 a, = 5x -4 d=a₂-a₁ d = a - a₂ (a₂-a₁) = (a - a₂) answer, x = 4, show your solutions.
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 5PT: Write a recursive formula for the arithmetic sequence 2,72,5,132,... and then find the 22nd term.
Related questions
Question
Transcribed Image Text:2. Solve for x if the following terms form an arithmetic sequence, (3x),(7x-14) and 5x - 4.
Solution:
given: a₁ = 3x
a₂= 7x-14
a = 5x -4
d=a₂-a₁
d = a - a₂
(a₂-a₁) = (a - a₂)
answer, x = 4, show your solutions.
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