How do you do this question?

Convergent

Step-by-step explanation:

aₙ = n² 5ⁿ⁻¹ / (-6)ⁿ

aₙ = (-1)ⁿ n² 5ⁿ⁻¹ / 6ⁿ

aₙ = (-1)ⁿ n² 5ⁿ / (5 (6ⁿ))

aₙ = ⅕ (-1)ⁿ n² (5/6)ⁿ

bₙ = ⅕ n² (5/6)ⁿ

bₙ = ⅕ n² / (6/5)ⁿ

lim(n→∞) bₙ

lim(n→∞) [⅕ n² / (6/5)ⁿ]

Use L'Hopitals' rule:

lim(n→∞) [⅖ n / ((6/5)ⁿ ln(6/5))]

Use L'Hopitals' rule again:

lim(n→∞) [⅖ / ((6/5)ⁿ ln(6/5)²)]

0

The limit is 0, so the series converges.

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.