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If p be the length of theperpendicular f...

If `p` be the length of theperpendicular from the origin on the line `x//a+y//b` `=1,` then `p^2=a^2+b^2` b. `p^2=1/(a^2)+1/(b^2)` c. `1/(p^2)=1/(a^2)+1/(b^2)` d. none of these

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Given line
`\frac{x}{a}+\frac{y}{b}=1 `
`\frac{x}{a}+\frac{y}{b}-1=0`
`p` is the length of perpendicular from origin to given line ...
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