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The difference of two no.5 and the difference of their reciprocal is 1/10 .find its no.

Posted by Kishan Sengar 6 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Ram Kushwah 6 years, 9 months ago

let no. are x and x+5

so 1/x-1/(x+5=1/10

10(x+5)-10x=x(x+5)

10x+50-10x=x²+5x

x²+5x-50=0

x²+10x-5x-50=0

x(x+10)-5(x+10)=0

(x-5)(x+10)=0

x=5 or -10

so number are 5 and 10 or -10 and -.5

0Thank You

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