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reobjan December 18th, 2018 11:08 AM

Solve equation
 
(4+√15)^x+(4*√15)^x=62

topsquark December 18th, 2018 11:40 AM

Quote:

Originally Posted by reobjan (Post 603400)
(4+√15)^x+(4*√15)^x=62

Is there a typo here? This is a rough one unless both terms are at least multiples of each other.

-Dan

Denis December 18th, 2018 12:04 PM

The "*" probably should be "-" ?

skipjack December 18th, 2018 02:04 PM

That seems plausible, as it would make the second term the reciprocal of the first.


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