Question

(5√2+3)²=a√b+c
a=?
b=?
c=?
dau coroana​

Answer 1

(5√2+3)²=a√b+c

(5√2)²+2×5√2×3+3²=a√b+c

50+30√2+9=a√b+c

30√2+59=a√b+c

a=30

b=2

c=59

Answer 2

Ridicam ecuația la pătrat:
5^2+9+30√2=
25+9+30√2=
30√2+34=a√b+c

=>a=30; b=2; c=34