Lim x-- 0( tanx+4tan2x-3tan3x)/x^2tanx The answer given in reference book is -16 But I don't know how to solve - Maths - Limits and Derivatives

Question

Lim x-->0( tanx+4tan2x-3tan3x)/x^2tanx The answer given in
reference book is -16 But I don't know how to solve

Shruti Tyagi · Accepted Answer

Dear student,

Refer to the link

https://www meritnation
com/ask-answer/question/evaluate-limit-x-0-tanx-tan2x-3tan3x-x-2tanx/limits-and-derivatives/10874245

Regards

Lim x-->0( tanx+4tan2x-3tan3x)/x^2tanx The answer given in reference book is -16. But I don't know how to solve.