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सिद्ध कीजिए की रेखाएं `(x)/(a)+(y)/(b) =1, (x)/(b) +(y)/(a)=1 ` तथा ` y=x` संगामी है|

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सिद्ध कीजिए की रेखाएं `(x)/(a)+(y)/(b) =1, (x)/(b) +(y)/(a)=1 ` तथा ` y=x` संगामी है|
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` (x)/(a) +(y)/(b) =1 " "rArr " "bx +ay =ab `
` (x)/(b)+( y)/(a) =1 " "rArr " "ax + by =ab`
` y=x `
अब समीकरण (i ) व समीकरण (ii ) को x तथा y को लिए हल करें तथा समीकरण (iii ) का प्रयोग करें|
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