Application of DerivativeHard
Question
The length of the subnormal of the curve y2 = 8ax (a > 0) is -
Options
A.2a
B.4a
C.6a
D.8a
Solution
Length of subnormal = y 
y2 = 8ax ⇒ 2y
= 8a
∴ y
= 4a
y2 = 8ax ⇒ 2y
= 8a∴ y
= 4aCreate a free account to view solution
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