50. Find all values of x such that x – 7,x + 7, and 4x – 7 form a geometric sequence. 32 A. x = 0 or x =- C. x = -2 or x =- 49 51 B. x = 0 or x == 3 D. x = 3 or x =
50. Find all values of x such that x – 7,x + 7, and 4x – 7 form a geometric sequence. 32 A. x = 0 or x =- C. x = -2 or x =- 49 51 B. x = 0 or x == 3 D. x = 3 or x =
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
50
Transcribed Image Text:50. Find all values of x such that x – 7,x + 7, and 4x – 7 form a geometric sequence.
C. x = -2 or x =
27
A. x = 0 or x ==
4
51
D. x = 3 or x =
49
B. x = 0 or x ==
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