Răspuns :

Răspuns:

b) 1=1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/2048+1/4096+1/4096

Explicație pas cu pas:

A={1/2;1/3;1/4;1/5;1/6............}

Răspuns:

La b poti scrie asa

Minus 2 plus 2 plus 0 plus 1 plus( minus 9 plus 8)plus (minus 9 minus 8) plus 0.5.plus 0.5egal cu 1