The difference of two no.5 and the difference of their reciprocal is 1

1.	The difference of two no.5 and the difference of their reciprocal is 1/10 .find its no.
Answer» let no. are x and x+5so 1/x-1/(x+5=1/1010(x+5)-10x=x(x+5)10x+50-10x=x2+5xx2+5x-50=0x2+10x-5x-50=0x(x+10)-5(x+10)=0(x-5)(x+10)=0x=5 or -10so number are 5 and 10 or -10 and -.5

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