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I am told the firstterm of a sequence is
, and told to find the
term in the sequence, and the smallest value of
for which the
term exceeds 10 000. By using the left side of the formula
I think I can find the tenth term but I am unsure how to find the smallest value of
any hints or guidance would be well met. Thankyou.
Post the question exactly as it's written please.Quote:
Originally Posted by riptorn70
I am told the first
any hints or guidance would be well met. Thankyou.
Sorry, here is the question as given:
The sum first http://www.mathhelpforum.com/math-he...b31363a1-1.gif term of a sequence is http://www.mathhelpforum.com/math-he...392c01c6-1.gif.Find the http://www.mathhelpforum.com/math-he...ea85c378-1.gif term in the sequence, and the smallest value of http://www.mathhelpforum.com/math-he...9b3dc231-1.gif for which the http://www.mathhelpforum.com/math-he...bd3aad87-1.gif term exceeds 10 000.
My idea(s):
By using the left side of the formula
http://www.mathhelpforum.com/math-he...951c1417-1.gif I think I can find the tenth term but I am unsure how to find the smallest value of http://www.mathhelpforum.com/math-he...9b3dc231-1.gif for which the http://www.mathhelpforum.com/math-he...bd3aad87-1.gif term exceeds 10 000.
(forgive me for any inconvenience)
any hints or guidance would be well met. Thankyou.
The sum of the first n odd numbers is n^2 .....Quote:
Originally Posted by riptorn70
This sum is an arithmetic series with first term equal to 1 and the common difference equal to 2.
Thankyou dearly for the hint.