Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The order of differential equation of all circles of given radius ' 
' is
Text Solution
Verified by ExpertsThe correct answer is:
A
: Let equation of circle having radius " 
" be 
where 
are co-ordinates of centre.
Taking derivative w.r.t. ' 
' on both sides, we get
or 
Taking again derivative w.r.t. ' 
', we get
From equation (i), 
This is a differential equation having order 
.
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