Find the x-coordinate on the graph of f (x) = x ³ – 12 x where the tangent is horizontal. A) 1,-1 B) 1,-2 C) -1,2 D) 2,-2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Find the x-coordinate on the graph of f (x) = x ³ - 12 x where the tangent is horizontal.
A) 1,-1
B) 1,-2
C) -1,2
D) 2,-2
Transcribed Image Text:Find the x-coordinate on the graph of f (x) = x ³ - 12 x where the tangent is horizontal. A) 1,-1 B) 1,-2 C) -1,2 D) 2,-2
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