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Differentiation question

2018 · 16 Apr · Shift 1 · Q28

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PYQ Library
JEE Main
Mathematics
Differentiation
2018 · 16 Apr · Shift 1 · Q28

Differentiation question

2018 · 16 Apr · Shift 1 · Q28

JEE MainMathematicsDifferentiationMCQ+4 / −1

If

x = \sqrt {{2^{\cos e{c^{ - 1}}}}}

and

y = \sqrt {{2^{se{c^{ - 1}}t}}} \,\,\left( {\left| t \right| \ge 1} \right),

then

{{dy} \over {dx}}

is equal to :

A
${y \over x}$
B
${x \over y}$
C
$-{y \over x}$
D
$-{x \over y}$

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