The sun of two no is 9 and the sun of their reproduct is 1/2.Find the no
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Let one number be x
and other number be 9-x
1/x + 1/9-x = 1/2
9-x+x/x(9-x) = 1/2
9/x(9-x) = 1/2
x(9-x)=18
x^2-9x+18=0
x^2-6x-3x+18=0
x(x-6)-3(x-6)=0
(x-6)(x-3)=0
x=6,3
when one=6, other=3
and other number be 9-x
1/x + 1/9-x = 1/2
9-x+x/x(9-x) = 1/2
9/x(9-x) = 1/2
x(9-x)=18
x^2-9x+18=0
x^2-6x-3x+18=0
x(x-6)-3(x-6)=0
(x-6)(x-3)=0
x=6,3
when one=6, other=3
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