Question

√243-11√3-√507+2√108

Answer 1

Răspuns:

am descompus fiecare nr de sub radical in factori primi

243=3*3*3*3*3

507=3*13*13

108=2*2*3*3*3

Answer 2

Răspuns:

Explicație pas cu pas:

√243=√3^. 3^.3=3x3√3

√507=√13^.3

2√108=2√3^.2^.3=2x2x3√3

9√3-11√3-13√3+12√3=-3√3

^=la puterea a doua