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First I would do the base case (the first value):Test n=1,11¹-6=5. 5 is divisible by 5 therefore true for n=1.
Now we assume true for n=k,11^k-6 is divisible by 5.Next we test n=...

Firstly I would think about how I could integrate this. In this case you would need integrate by parts. I use LATE to decide which value is u and v' which stands for Log,Algebra,Trig,Exp. Which ever one a...

Firstly, I would remember what differentiation shows - which is the rate of change of a function. I would think about how I could use this to show it's always increasing. Now the first derivative would sh...

Der Kölner Dom ist die größte gotische Kirche in Europa und hat die größte Kirchfassade der Welt. Aber der Dom ist nicht nur groß, sondern auch besonders alt. Sein Bau wurde 1248 begonnen und erst 1880 vo...