Easy
1 point
ID: #23806
Question
125 (√5)2x = 1 হলে x এর মান কত?
Options
1
3
Correct Answer
2
-3
Correct Answer
3
7
Correct Answer
4
9
Correct Answer
Explanation
125 * (5^0.5)^2x = 1 => 5^3 * 5^x = 1 => 5^(3+x) = 5^0. সুতরাং, 3 + x = 0 বা x = -3।