1. In the differential equation y\"+xy\'+x^2y=0 the point x= 0 is (Points : 1) A
ID: 2969371 • Letter: 1
Question
1.
In the differential equation y"+xy'+x^2y=0 the point x=0 is
(Points : 1)
An ordinary point.
An irregular singular point.
A regular singular point.
Almost an ordinary point.
Almost a singular point.
Which of the following cannot be an interval of convergence for a power series:
A power series solution of a differential equation
Always has infinite number of nonzero terms.
Always involve elementary functions.
Converges everywhere.
Can be a finite sum.
The method of Frobenius is normally applied with
Ordinary points
Regular singular points
Irregular singular points
Points of divergence
Abnormal points
An ordinary point.
An irregular singular point.
A regular singular point.
Almost an ordinary point.
Almost a singular point.
Explanation / Answer
1- a
2- d -> the radius must be simetric or =0
3 - d
4- a
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