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ICSE Class 9 Answered

Please solve this
Asked by aastharoy997 | 05 Apr, 2020, 11:10: AM
Expert Answer
Which of the following is true?
(1) log35 > log1/37     (2) log35 < log1/37     (3) log1/35 > log37        (4) log1/35 < log1/37
Solution:-
left parenthesis 1 right parenthesis
log subscript 1 divided by 3 end subscript 7 equals fraction numerator log space 7 over denominator log space 1 divided by 3 end fraction equals fraction numerator log 7 over denominator log space 3 to the power of negative 1 end exponent end fraction equals fraction numerator log space 7 over denominator negative log space 3 end fraction equals negative log subscript 3 7
log subscript 3 5 space w i l l space b e space p o s i t i v e space a n d space minus log subscript 3 7 space i s space n e g a t i v e
rightwards double arrow log subscript 3 5 greater than negative log subscript 3 7
rightwards double arrow log subscript 3 5 greater than log subscript 1 divided by 3 end subscript 7
H e n c e comma space left parenthesis 1 right parenthesis space i s space c o r r e c t.
Answered by Renu Varma | 05 Apr, 2020, 01:53: PM

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