log_7(1/49) = -log_7(49). (the property of logs)
log_7(49) is by definition the number x such that 7^x = 49. It is unique.
I sure you know that 49 = 7^2, so x=2.
The answer: -2.
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?