Question

n= radical din 2+4+6+...+48+25

Answer 1

2+4+6+...+48 = 2*(1+2+3+...+24) = 2*24*25/2 = 24*25 = 600

N = √600+25 = √625 = 25

Answer 2

n=sqrt(2(1+2+3+...+24)+25)

n=sqrt(2*24*25:2+25)

n=sqrt(25^2)

n=25