✔ 最佳答案
ln ( 3x+7 ) = 3
Taking anti log of both the sides we get ---
3x + 7 = e^3
=> 3 x = e^3 - 7
=> x = (1/3) [ e^3 - 7 ] .......... Answer
Or you may put the value of e^3 = 20.0855
=> x = (1/3) [20.0855 - 7]
=> x = (1/3) 13.0855
=> x = 4.3618..... Answer Answer
Dr. P.K.Tandon
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