Advertisement Remove all ads

Show that There is No Value of N for Which `(2^N Xx 5^N)` Ends in 5. - Mathematics

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads

Show that there is no value of n for which `(2^n xx  5^n)`  ends in 5.

Advertisement Remove all ads

Solution

We can write:
 `(2^n xx  5^n)`  = (2 × 5) n
                       = `10^n`
For any value of n, we get 0 in the end.
Thus, there is no value of n for which `(2^n xx  5^n)` ends in 5.

Concept: Real Numbers Examples and Solutions
  Is there an error in this question or solution?

APPEARS IN

Video TutorialsVIEW ALL [1]

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×