Application of DerivativeHard
Question
The ordinate of y = (a/2) (ex/a + e-x/a) is the geometric mean of the length of the normal and the quantity :
Options
A.a/2
B.a
C.e
D.none of these.
Solution
Let λ be quantity
y =
y2 = y
λ
λ =
λ = a
λ = a
y =
y2 = y
λλ =
λ = a
λ = a
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