- Find X if log3(x-4) +log3(x-2)=1 ............. ............
- Find X if log3(x-4) +log3(x-2)=1 ............. ............
Shreyas Bothe , 6 Years ago
Grade 11
10 grade maths> Find X if log 3 (x-4) +log 3 (x-2)=1 .......
2 AnswersVikas TU
Dear student
Log a + log b = log ab
Log 3 ( x-4) (x-2) = 1
3 = x^2 -6x + 8
x^2 – 6x +5 = 0
x = 2,3
Hope this helps
Arun
Log a + log b = log ab
Log 3 ( x-4) (x-2) = 1
3 = x^2 -6x + 8
x^2 – 6x +5 = 0
hence x = 1 and 5
but 1 is not in its domain
hence rejected
hence only x = 5 is answer
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