1.

If `log_((3x+4))(4x^(2)+4x+1)+log_((2x+1))(6x^(2)+11x+4)=4` then `x` is __________.

Answer» Correct Answer - `00000.75`
`00000.75`
Let `t=log_((3x+4))(2x+1)`
`implies2t+1/t=3impliest=1` or `1/2`
`log_((3x+4))(2x+1)=1/2 implies x=-1` or `3/4`
`:.` only solutions is `x= 3/4`


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