The Singular Points of the Differential Equation $x y ^ { \prime \prime } + y ^ { \prime } + y ( x + 2 ) / ( x - 4 ) = 0$

question 10

Multiple Choice

The singular points of the differential equation $x y ^ { \prime \prime } + y ^ { \prime } + y ( x + 2 ) / ( x - 4 ) = 0$ are

• A) none
• B) 0
• C) 0, \(- 2\)
• D) 0, 4
• E) 0, \(- 2\) , 4

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Definitions:

Root Opening

The gap between the parts being joined before welding.

Tail

In engineering drawings, often refers to the part of a callout or notation that provides additional information, such as specifications or notes.

V-Groove Weld

A type of joint preparation for welding where the edges of the metal pieces form a V shape to facilitate deeper penetration of the weld.

Symbol

A representation or emblem used as a conventional representation of an object, principle, or process.