Question

число целых решений неравенства (1/3)^0,5х-1≤27 равно.

Answer 1

(1/3)^0.5х-1=27
(1/3)^0.5х-1=(81/3)^1

1^0.5х-1=(81^0)^1

0.5х-1=1
0.5х=1+1
0.5х=2
х=2/0.5
х=4