18. If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b

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18. If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b, then show that 1/p^2 = 1/a^2 + 1/b^2
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Oct
18. If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b, then show that 1/p^2 = 1/a^2 + 1/b^2 18. If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b then [...]
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