1.

`lim_(xrarr0) (ax+x cos x)/(b sinx)`

Answer» `underset(xrarr0)"lim"(ax+x cos x)/(b sin x)((0)/(0))`
`underset(xrarr0)"lim"(ax+x cos x)/(b sin x) ((0)/(0))`
`=underset(xrarr0)"lim"(a+cos x)/(b(sinx)/(x))`
(Divide numerator/denominator by x)
`=(a+cos 0)/(bxx1)=(a+1)/( b)`


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