Application of DerivativeMedium
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
View Solution FreeMore Application of Derivative Questions
Least value of the function, f(x) = 2x2 - 1 + is ;...For the function f(x) = x cot-1x, x ≥ 0...If x = t2 and y = 2t, then equation of normal at t = 1 is-...If tn be the nth term of the series 1 + 3 + 7 + 15 + ......... then -...The rate of change of the volume of a cone with respect to the radius of its base is-...