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[" 6."k" is a nonzero constant.If "k=(a+...

[" 6."k" is a nonzero constant.If "k=(a+b)/(ab)" then the straight "],[" line "(x)/(a')+(y)/(b)=1" passes through the point "],[[" (a) "(k,k)," (b) "(1/k,1/k)],[" (c) "(1,1)," (d) "(k,1/k)]]

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