1

JEE Main 2021 (Online) 17th March Morning Shift

Numerical

+4

-1

If $$f(x) = \sin \left( {{{\cos }^{ - 1}}\left( {{{1 - {2^{2x}}} \over {1 + {2^{2x}}}}} \right)} \right)$$ and its first derivative with respect to x is $$ - {b \over a}{\log _e}2$$ when x = 1, where a and b are integers, then the minimum value of | a

^{2}$$-$$ b^{2}| is ____________ .Your input ____

2

JEE Main 2020 (Online) 2nd September Evening Slot

Numerical

+4

-0

If y = $$\sum\limits_{k = 1}^6 {k{{\cos }^{ - 1}}\left\{ {{3 \over 5}\cos kx - {4 \over 5}\sin kx} \right\}} $$,

then $${{dy} \over {dx}}$$ at x = 0 is _______.

then $${{dy} \over {dx}}$$ at x = 0 is _______.

Your input ____

Questions Asked from Differentiation (Numerical)

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