If \[\varphi (x)=\int_{1/x}^{\sqrt{x}}{\sin ({{t}^{2}})\,dt,}\] then \[{\varphi }'(1)=\]

If \[\varphi (x)=\int_{1/x}^{\sqrt{x}}{\sin ({{t}^{2}})\,dt,}\] then \

1.	If \[\varphi (x)=\int_{1/x}^{\sqrt{x}}{\sin ({{t}^{2}})\,dt,}\] then \[{\varphi }'(1)=\]
A.	\[\sin 1\]
B.	\[2\sin 1\]
C.	\[\frac{3}{2}\sin 1\]
D.	None of these
Answer» D. None of these

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If \[\varphi (x)=\int_{1/x}^{\sqrt{x}}{\sin ({{t}^{2}})\,dt,}\] then \[{\varphi }'(1)=\]

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