Wednesday, 21 May 2014

sequences and series - Find the first term of an arithmetic progression, given the 7th and the 16th terms

I tried to solve this problem by first finding out the common difference by using the formula
common difference=TpTqpq
with T7=1 and T16=17. But now I'm not able to find the first term. I tried out many methods. Please help me out..

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real analysis - How to find limhrightarrow0fracsin(ha)h

How to find lim without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...