October 2018 1 14 Report

Podaj wzór na wyraz ogólny ciągu (an), którego wyrazami są:

a) 3,6,9,12,15

b) 2,4,8,16,32

c) 1*3, 2*4, 3*5,4*6,5*7

d) -2,2,-2,2,-2...

e)-3,-6,-9,-12,-15

f) 1,7,13,19,25


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