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Write the following sums in summation notation.

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\[1+\frac{ 2 }{ 3 }+\frac{ 3 }{ 5 }+\frac{ 4 }{ 7 }+\frac{ 5 }{ 9 }+\frac{ 6 }{ 11 }+\frac{ 7 }{ 13 }\]
not sure how to start it.
can anything be reduced???

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ok just a lot of guess and check but that one works
i know those formulas but, im not sure how im supposed to start it. like how do you know what n equals?
you can use n or k
I just notice that the numerators were 1,2,3,4,5,6,7
so I knew I could use n or n+1
the denominators were odd 1,3,5,7,9,11,13 in math we use 2n+1 for odd for evens we use 2n
I had to guess whether to use n=0 or n=1 as my first numbers, so that is why you see me testing them|dw:1359577972172:dw|
there really is no one way to do these, just a lot of guess and check
that's kinda confusing lol.
I showed you my way of thinking, just follow my slides in order. Math is all about patterns
yes but i don't see how you are guessing it.
i really don't understand what you are doing,
I wrote my process out, sorry perhaps someone else can explain it to you
i just don't see what you are doing is all.
sorry, series and sequences get easier when you have done many it takes time and experience I just used guess and check

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