s+ 1/s =11 find s-1/s
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Step-by-step explanation:
s+1/s=11
Or, (s+1/s)^2=11^2
Or, (s-1/s)^2+4×s×1/s=121
Or,( s-1/s)^2=121-4
Or, s-1/s=sqrt(117)