limit extending to infinity for given expression is
(-1)^n*(4-5/n)/(7+5/n)=4/7 if n is even
-4/7 if n is odd
since it reaches a definite value at end ,series converges
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?