Two functions f and g have first and sec...

Two functions f and g have first and second derivates at `x=0` and satisfy the relations`f(0)=(2)/(g(0))`,f(0)=2g'(0)=4g(0),g''(0)=5f''(0)=6f(0)=3` Then,

if `h(x)=(f(x))/(g(x))`d then `h'(0)=15/4`

if `k(x)=f(x).g(x).sinx`, then `k'(0)=2`

`lim_(xto0)(g'(x))/(f'(x))=1/2`

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