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Derivative of \(\cos \left(\sqrt{x}\right)\) is :

Q1

Derivative of \(\cos \left(\sqrt{x}\right)\) is :

a

\(-\frac{\sin \left(\sqrt{x}\right)}{2\sqrt{x}}\)

b

\(\frac{\sin \left(\sqrt{x}\right)}{2\sqrt{x}}\)

c

\(2\sqrt{x}\cos \left(\sqrt{x}\right)\)

d

\(2\sqrt{x}\sin \left(\sqrt{x}\right)\)

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