Integrate : $\int \large\frac{6}{7} . \frac {e^{\sqrt x}. \cos (e^{\sqrt x})}{\sqrt x }$$dx$

Question

$(a)\;\frac{12}{7}\cos (e^{\sqrt x})+c \qquad(b)\;\frac{12}{7}\sin (e^{\sqrt x})+c \qquad(c)\;\frac{12}{7}\sin (e^{x})+c \qquad (d)\;\frac{12}{7}\cos (e^{\sqrt x})+c$