Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The sum of the. lengths of the subtangent and the subnormal drawn at 
on the cycloid 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given cycloid is in parametric form,
Differentiate it, w.r.t. ' 
' we get
Then, 
At 
Slope of tangent 
Length of subtangent
…… ..(i)
Length of subnormal
……… ..(ii)
On adding Eqs (i) and (ii), we get
Sum of length of subtangent and sub-normal is 
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