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Question Number 72344 by Rio Michael last updated on 27/Oct/19
prove that e^(lnx) = x or a^(log_a x) = x
provethatelnx=xoralogax=x
Commented by Prithwish sen last updated on 27/Oct/19
let lnx = M ∴ e^M = x putting the value of M e^(lnx) = x proved
letlnx=M∴eM=xputtingthevalueofMelnx=xproved
Commented by Tony Lin last updated on 27/Oct/19
let log_a x=y a^y =x ⇒log_a x=y ⇒a^(log_a x) =x
letlogax=yay=x⇒logax=y⇒alogax=x
Commented by Rio Michael last updated on 30/Oct/19
thank you sirs
thankyousirs

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