" If "log_(7)2=lambda," then the value of "log_(49)(28)" is "

If log_(2)(7)=a and log_(3)(2)=b, then the value of log_(14)(84) is

Given that N=7^(log_(49),900),A=2^(log_(2)4)+3^(log_(2)4)-4^(log_(2)2),D=(log_(5)49)(log_(7)125) Then answer the following questions : (Using the values of N, A, D) If log_(A)D=a, then the value of log_(6)12 is (in terms of a)

If log_(10)2=0.3010 and log_(10)7=0.8451 , then the value of log_(10) 2.8 is a. 0. 4471 b. 1. 4471 c. 2. 4471 d. none of these

If log_(175)5x=log_(343)7x , then the value of log_(42)(x^(4)-2x^(2)+7) is

If log_(175)5x=log_(343)7x , then the value of log_(42)(x^(4)-2x^(2)+7) is

If log_(175)5x=log_(343)7x , then the value of log_(42)(x^(4)-2x^(2)+7) is