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A ball is thrown vertically upwards from the ground. It rises to a height of 10m and then falls and bounces. After each bounce it rises vertically to 2/3 the height from which it fell. (i)...

I don't understand how to find the sum if I don't know what term the last one (252)? How would I determine which term this is (t of ?=252)

(a) Starting with the first term, find the least number of terms that have a sum greater than 1500   (b) Starting with the first term, find also the number of terms that have a sum of...

Please help me to find sum of this unlimeted serie:  1+2+3+5/7+3/2+4/3+25/49+3+4+... Thanks in advice

How does one determine if the following series is arithmetic or geometric. If it is arithmetic, what is the common difference? If it is geometric, what is the common ratio? Using this information,...

the sum of the series 1/1! + (1+2)/ 2! + (1+2+3)/3! +.......... equals   a) e             b) e/2        ...

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