By failing to prepare, you are preparing to fail.

# Series

/Tag: Series
30 07, 2018

## Financial Maths

By |2018-07-30T09:29:05+10:00July 30th, 2018||Comments Off on Financial Maths

Financial Maths Go to the Financial Maths Forum to see more questions or ask your own Topics Covered in Financial Maths Continuous Probability Distributions Normal Distribution Standard Normal Distribution Formulas used in Financial Maths  $y=mx+b$ $m=\frac{rise}{run}$ b = y-intercept [...]

10 08, 2015

## Exam Style Problems

Exam Style Problems Don planted a Grevillia hedge. The plants were 20cm when he planted them. After 1 year they were 1m tall. The next year they grew 60% of the previous year’s growth to a height of 148cm. They continued to grow 60% of the previous years growth [...]

10 08, 2015

## Challenging GP

Challenging GP Given that the sum and the product of the first two terms of a G.P are 1/8 and -3/32 find the sum to infinity. a + ar = 1/8   →    ar = 1/8  - a a(ar) = -3/32 a(1/8  - a) = -3/32 a/8 - a2 [...]

10 08, 2015

## Combined AP & GP

Combined AP & GP worked examples In an A.P. and a G.P., the first terms are both 3. The second term of the sequences are equal and the third term of the G.P. is 3 more than the third term of the A.P. Find the sequences. a = [...]

10 08, 2015

## Challenging Series

Exam Style Questions In an Arithmetic Progression, whose first term and common difference are both non-zero, Un denotes the nth term and Sn denotes the sum of n terms. If U6, U4 and U10 form a Geometric Progression: i. Show that S10 = 0 ii. Show that S6 + S12 =0 iii. Show [...]

10 08, 2015