alleryThe power counted for the degree must be a whole number that is:
AFractional
BImaginary
CPositive
DNegative
Answer & Solution
Correct answer: C. Positive
1. Degree counts the power of the highest order derivative.
2. That power has to be a positive integral index.
3. Fractional or negative powers do not qualify.
_Source: syllabus Mathematics Part II, Chapter 9, Differential Equations._
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