Find the order of the differential equation \(\frac{dy}{dx}\)+15 cos⁡x=0.

Category: QuestionsFind the order of the differential equation \(\frac{dy}{dx}\)+15 cos⁡x=0.
Editor">Editor Staff asked 11 months ago

Find the order of the differential equation \(\frac{dy}{dx}\)+15 cos⁡x=0.
 
(a) 4
 
(b) 3
 
(c) 2
 
(d) 1
 
I got this question in an interview.
 
The question is from Differential Equations Basics-1 topic in section Differential Equations of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 11 months ago

Right answer is (d) 1
 
To explain I would say: The highest order derivative in the given D.E is \(\frac{dy}{dx}\). Hence, the order of the given differential equation is 1.