A co worker has the following equation:(adsbygoogle = window.adsbygoogle || []).push({});

[itex]3e^{-.5y} +3e^{-y} + 3e^{-1.5y} + 103e^{-2y} =98.39[/itex]

Solve for y.

Some sort of compound interest bond equation I am told, or something like that.

He has been told that to solve for y, one must use a trial and error approach.

True??

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# E to the -y plus trial and error math?

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