- #1
UNknown 2010
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Homework Statement
t1, t2, t3, t4 , ... , tn is a sequence
t2 - t1 = t3 - t2 = t4 - t3 ..... = t(n-1) - tn
show that:
1/t1t2 + 1/t2t3 + 1/t3t4 ... + 1/tn-1tn = n-1/t1tn
Homework Equations
The Attempt at a Solution
I tried to use sigma but I couldn't solve it ..
Please give me the beginning of the solution