italy-esame-di-stato 2017 Q6

italy-esame-di-stato · Other · esame-di-stato__matematica Small angle approximation
6. Determine the real number $a$ so that the value of
$$\lim _ { x \rightarrow 0 } \frac { \sin ( x ) - x } { x ^ { a } }$$
is a non-zero real number. 
6. Determine the real number $a$ so that the value of

$$\lim _ { x \rightarrow 0 } \frac { \sin ( x ) - x } { x ^ { a } }$$

is a non-zero real number.
Paper Questions
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10