Yr2 Series

Question 1

When doing compound functions,

Answer 1

use the FG, but remember to first manipulate the expression in exactly that form first.

Question 2

Since tan repeats every 180, tan 60 means that it would be periodic every 3…

Answer 2

add up the groups of 3 to get a result, then state that in k groups the result would be k*(sum of the 3 terms)

Question 2

If there is no series in that form in the FG…

Answer 2

use the default one.

Question 3

When looking for the nth non-zero term in a Maclaurin Series…

Answer 3

use the last term on the sequence in the FG

Question 3

If a question say prove it can still be a…

Answer 3

Methods of Differences

Question 4

If the bottom part of a sigma sum is r=n…

Answer 4

remember to do the sum to n subtracted by r=n-1.

Question 5

Remember that series is putting in the numbers and then adding them up to get the answer.

Question 6

REMEMBER TO CHECK WHAT NUMBER IS ON THE BOTTOM OF THE SIGMA!!!

Answer 6

REMEMBER TO CHECK WHAT NUMBER IS ON THE BOTTOM OF THE SIGMA!!!

Question 7

You don’t have to do methods of differences on every single term e.g.

Answer 7

Σ (r-3) + 1/(r+1) - 1/(r+2)