Saturday

December 20, 2014

December 20, 2014

Posted by **Daniel** on Monday, June 3, 2013 at 10:15pm.

- math -
**Bosnian**, Monday, June 3, 2013 at 10:48pmn = 1

a1 = 3 = 1 * 3 = 1 * ( 2 * 1 + 1 ) = 2 ^ 0 ( 2 n + 1 ) = 2 ^ ( n - 1 ) ( 2 n + 1 )

n = 2

a2 = 10 = 2 * 5 = 2 * ( 2 * 2 + 1 ) = 2 ^ 1 ( 2 n + 1 ) = 2 ^ ( n - 1 ) ( 2 n + 1 )

n = 3

a3 = 28 = 4 * 7 = 4 * ( 2 * 3 + 1 ) = 2 ^ 2 ( 2 n + 1 ) = 2 ^ ( n - 1 ) ( 2 n + 1 )

n = 4

a4 = 72 = 8 * 9 = 8 * ( 2 * 4 + 1 ) = 2 ^ 3 ( 2 n + 1 ) = 2 ^ ( n - 1 ) ( 2 n + 1 )

n = 5

a5 = 176 = 16 * 11 = 16 * ( 2 * 5 + 1 ) = 2 ^ 4 ( 2 n + 1 ) = 2 ^ ( n - 1 ) ( 2 n + 1 )

SO :

an = 2 ^ ( n - 1 ) ( 2 n + 1 )

a10 = 2 ^ ( 10 - 1 ) * ( 2 * 10 + 1 ) =

2 ^ 9 * ( 20 + 1 ) = 512 * 21 = 10752

**Answer this Question**

**Related Questions**

Math - Determine the 10th term of the sequence 3, 10, 28, 72, 176... State the ...

Math - make a table of values for the sequence 6,11,16,21,26 b) write an ...

math+ check! - the following sequence is geometric: 4/3, 4/9, 4/27.... determine...

Math - 3,5,-5... The first term in the sequence of #'s shown above is 3. Each ...

10th grade - The common difference of an arithmetic sequence is 4. The 13th term...

maths - the third term of a geometric sequence is 6 and the sixth term is 3 over...

math - the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 ...

math - the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 ...

Math/Precal - what is the first term of an arithmetic sequence if the 7th term ...

math - The 6th term in an arithmetic sequence is 74 and the 10th term is 62 , ...