1.

underset(h to 0)(Lt)[(sqrt(3)sin((pi)/(6)+h)-cos((pi)/(6)+h))/(sqrt(3).h(sqrt(3)cosh-sin h))]=

Answer»

`(-2)/(SQRT(3))`
`(-4)/(3)`
`(2)/(3)`
`(4)/(3)`

ANSWER :D


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