Find the first five terms of sequence

vaastav · Dec 31, 2003

How can we find the first five terms of sequence given below?

a1=7; an=an-1 – 4, n>=2

Muzza · Dec 31, 2003

By pluggin in numbers...

a_1 = 7

a_n = a_(n - 1) - 4, n >= 2 (you really need to use parantheses here).

To find a_2, let n = 2. Then we have:

a_2 = a_(2 - 1) - 4 = a_1 - 4 = 7 - 4 = 3.

You use the same technique to find the rest of the numbers.

vaastav · Dec 31, 2003

Thanx

Thanx

enigma · Dec 31, 2003

Originally posted by Muzza
(you really need to use parantheses here).

Or Latex

Muzza · Dec 31, 2003

Yeah, I guess that works too. ;)

Find the first five terms of sequence

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