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Montano1993 [528]
3 years ago
9

[2/(n+2)] - (3/n+2) = 5 Solve by u-substitution

Mathematics
1 answer:
IgorLugansk [536]3 years ago
7 0
<span>let n+2=u so, the equation became= [2/u]-[3/u]=5 => [(2+3)/u]=5 => 5/u=5 => u=5/5=1 thus, u=1 we know u=n+2 so, n+2=1 => n=1-2=-1 so, n=-1</span>
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