\lim _{x\to 0}\left(\frac{\sqrt{1+3x+x^2}-1}{\a rcsin \left(2x\right)}\right)

Step-by-step explanation:

Note that as , the ratio becomes undefined. Using L'Hopital's Rule, where

where f'(x) and g'(x) are the derivatives of the functions f(x) and g(x), respectively. Note that

Therefore,

or

answer: 8d

step-by-step explanation:

45+5= 50+5=55+5=60