Grade 12th passAlgebra
Pls see the attachment for the question.
Pls see the attachment for the question.
1 Answer
Nicho priyatham
- put y=f(x)
- now
- y=(10x-10-x)/(10x+10-x)
- by componendo dividendo we get
(1+y)/(1-y)=102x
- x=(1/2)log10(1+y/1-y)
- so b is correct option
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