Ας sqrt (1 + sqrt (3 + sqrt (5 + sqrt (x)))) = 2 Τι x;

Ας sqrt (1 + sqrt (3 + sqrt (5 + sqrt (x)))) = 2 Τι x;
Anonim

Απάντηση:

# x = 961 #

Εξήγηση:

#sqrt (1 + sqrt (3 + sqrt (5 + sqrtx)) = 2 #

ή # 1 + sqrt (3 + sqrt (5 + sqrtx)) = 4 #

ή #sqrt (3 + sqrt (5 + sqrtx)) = 3 #

ή # 3 + sqrt (5 + sqrtx) = 9 #

ή #sqrt (5 + sqrtx) = 6 #

ή # 5 + sqrtx = 36 #

ή # sqrtx = 31 # ή # x = 961 #