JEE Main 2020 — Differentiation Question with Solution
From: JEE Main 2020 (Online) 7th January Evening Slot
Question
Let y = y(x) be a function of x satisfying
where k is a constant and
. Then at x = , is equal to :
where k is a constant and
. Then at x = , is equal to :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
....(1)
On differentiating both side of eq. (1) w.r.t. x we get,
= 0 -
Put x = and y = , we get
=
On differentiating both side of eq. (1) w.r.t. x we get,
= 0 -
Put x = and y = , we get
=
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