How do you solve 4.7^ { x } - 60= 0?

1 Answer
Apr 16, 2018

log_"7"15

Explanation:

4.7^x-60=0

rArr4.7^x=60

rArr7^x=15

Taking logarithm to the base 7 on both sides we get :-

rArrlog_"7"7^x=log_"7"15

rArrx log_"7"7 =log_"7"15

:.x=log_"7"15