willveloz4
04.08.2019 •
Mathematics
Ineed a solution
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Ответ:
first, convert to base 25 to match the other term.
Substitute above identity into original equation:
Use substiution
above equation becomes
2/u-3u=1
multiply by u and solve for u:
=> u=2/3 or u=-1
case A:. u=2/3 =>
=>
case B: u=-1 =>
which does not give a real solution, so reject.
See graph below for confirmation of solution.
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Ответ:
81
Step-by-step explanation: