por John Rodgers hace 2 años
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What is the 7th term in the expansion of (2a2-3b)10
What is S100 for the series 100-50+25-12.5+....
Cole wants to find S6 for the Gemoetric Series 100-50+25-12.5+6.25-3.125 and his extreme exhaustion reuqires him to use a shortcut, rather than add them all together.
example
what is t10 in the geometric sequence 8,4,2,...
The sum of the arithmetic series Sn for the series 4,6,8,.... is 304. How many terms are in the series?
What is S100 for the series 100,98,96,...
Example: Cole wants to use a shortcut to find the sum of the S100 for the series 4+7+10+...+301 and he is too lazy to add it up. How can Cole find the sum using a special trick (not the formula)
Example
What is the recursive definition for the sequence 20,10,0,...
Examples
What is the general term for the sequence with t10=50 and t20=100?
what is the general term for the arithmetic sequence with 3,7,1,...