Tuesday, November 5, 2013

Find the general formula for : a) 1, -1/3,1/5,-1/7 .... , b) -1/2, 3/2,-5/2, 7/2....

a)
+a%5Bn%5D=%28-1%29%5E%28n%2B1%29++%2F%282n-1%29
b)
a%5Bn%5D=%28+%282n-1%29%28-1%29%5En++%29%2F2
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