Consider the following statements : 1. The length p of the perpendicular from the origin to the line ax+by=c...

Question

Consider the following statements : 1. The length p of the perpendicular from the origin to the line ax+by=c satisfies the relation p^2= c^2 a^2+b^2 . 2. The length p of the perpendicular from the origin to the line x a + y b =1 satisfies the relation 1 p^2 = 1 a^2 + 1 b^2 . 3. The length p of the perpendicular from the origin to the line y=mx+c satisfies the relation 1 p^2 = 1+m^2+c^2 c^2 . Which of the above is/are correct?

Accepted Answer

(C)

NDA 2018 Mathematics question

Solution

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