If x+(1/x)=15 then 5x÷(5x²-11x+5)=?
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Answer:
5x/(5x²-11x+5)
=5x/5x(x-11/5+1/x) (taking 5x common from den.)
=1/(15-11/5) ( given x+1/x=15)
=1/((75-11)/5)
=1/(64/5)
=5/64
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