log428*log3/74*log33/7 is greater than

i)3
ii)4
iii)5
iv)6

Asked by Anil | 3rd May, 2017, 07:05: PM

Expert Answer:

begin mathsize 16px style log subscript 4 28 cross times log subscript 3 divided by 7 end subscript 4 cross times log subscript 3 3 divided by 7
rightwards double arrow fraction numerator log 28 over denominator log 4 end fraction cross times fraction numerator log 4 over denominator log begin display style 3 over 7 end style end fraction cross times fraction numerator log 3 over 7 over denominator log 3 end fraction
rightwards double arrow fraction numerator log 28 over denominator log 3 end fraction equals space straight a space space left parenthesis say right parenthesis
rightwards double arrow log subscript 3 28 equals straight a
rightwards double arrow 3 to the power of straight a equals 28
Here comma space 3 cubed equals 27
rightwards double arrow log subscript 3 28 greater than 3 end style

Answered by Sneha shidid | 4th May, 2017, 09:38: AM