Please answer 80 th question 80 The value of 5log7 11 - 11log7 5 is (1) - Maths - Binomial Theorem

Question

Please answer 80 th question

80 The value of 5 log 7   11   -
  11 log 7   5   i s
(1) 0 (2) 5

(3) 7 (4) 11

Varun Rawat · Accepted Answer

5log711 = elog5log711 = elog711 
 log 5 = elog 11 × log 5log 711log75 = elog11log75 = elog75 
 log 11 = elog 5 × log 11log 7Now, 5log711 - 11log75 =  elog 11 × log 5log 7 -  elog 11 × log 5log 7 = 0

Hence, option (1) is correct

Please answer 80 th question 80. The value of 5 log 7 11 - 11 log 7 5 i s (1) 0 (2) 5 (3) 7 (4) 11

Please answer 80 th question

80. The value of $5^{\log_{7} 11} - 11^{\log_{7} 5} i s$
(1) 0 (2) 5

(3) 7 (4) 11