Given the equation <span>-4a/a+4=12/a-11, for sure we need to the solution for a. </span><span>-4a/a+4=12/a-11 </span>-3a + 4 = 12/a - 11 -3a -12/a = -11 - 4 3a + 12 / a = 15 (3a^2 + 12) / a = 15 3a^2 + 12 = 15a <span>3a^2 - 15a + 12 = 0 </span> In order to get a , we need to find the roots. (3a - 3) (a - 4) = 0
The exponential function equivalent to 4=ln x will be evaluated as follows: from 4=ln x introducing the exponential function e^4=e^(lnx) but e^(lnx)=x thus e^4=x answer: e^4=x
