1.

Find the distance between parallel lines (i) 15x + 8y - 34 = 0 " and " 15x + 8y + 31 = 0(ii) l (x + y) + p = 0 " and " l (x + y) - r = 0 .

Answer»


ANSWER :`(i) 65/17 ` units, (ii) `1/sqrt 2 |(p + R)/L|` units.


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