Question

cititi urmatoarele scari de proportie:

0 4 8 12 16 km

Answer 1

A={0,3,6,9,12...}
A={x/x=3p p apartine numerelor naturale}

B={1,4,9,16.......}
B={x/x=p² p apartine nr naturale}

C={1,3,9,27.....}
C={x/x=3 la puterea p}