Question

x=3*(1+2+3+...+49)+1225
atunci radical din x=?

Answer 1

1+2+3+...+49=49*50/2=49*25=1225
X=3*1225+1225 = 4*1225 = 4900

Radical din 4900 = 70

Answer 2

x=3*(1+2+=3+4+...+49)+1225
x=3x1225+1225
x=4900
√x=√4900
√x=70
Sper ca te-am ajutat!