If (log a/b) + log (b/a) = log (a+b) then

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19 Mar 2020 Logarithm If (log a/b) + log (b/a) = log (a+b) then: OPtion
1) a - b = 1
2) a = b
3) a = -b
4) a = b + 1
5) a = b - 1
6) a^2 - b^2 = 1
7) a = 1 - b
8) a^2 + b^2 = 1
9) a + b = 2
10) None of these; Correct Option: 7 Best Solution (2)

Mayank Kandoi 4 years AGO

log (a/b * b/a) = log (a+b)
log 1 = log (a+b)
1 = a+b
=> a= 1-b

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RAMADURAI NATESAN 4 years AGO

Given,loga-logb+logb-loga= log(a+b)
i.e., log(a+b) = 0. Hence, a+b =1 or a= 1 - b

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Dimple

India

Punjab

Time: 00:01:33

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If (log a/b) + log (b/a) = log (a+b) then

M4maths Previous Puzzles

19 Mar 2020 Logarithm