Question

Find the limit
limit as x approaches negative infinity for all of (square root of 4x^6-x)/x^3+5

Answer 1

\[\lim_{x \rightarrow \infty} \frac{ \sqrt{4x ^{6} - x} }{ x^3 + 5 }\]

did i write this correctly ?

Answer 2

er, that should be -inf

Answer 3

\[\lim_{x \rightarrow- \infty} \frac{ \sqrt{4x ^{6} - x} }{ x^3 + 5 }\]

Answer 4

\[-\infty \] is the right way but other than that its right

Answer 5

2 isn't right thanks though

Answer 6

after several L'Hopital's i got -2