alleryAn equation whose highest derivative is the third has order:
ASixth order
BThird order
CFirst order
DFifth order
Answer & Solution
Correct answer: B. Third order
1. Order is read off the highest derivative in the equation.
2. Here that is the third derivative.
3. So the order of the equation is three.
_Source: syllabus Mathematics Part II, Chapter 9, Differential Equations._
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