"If `p_1,\\ p_2,\\ p_3`are the altitudes of a triangle from its vertices `A ,\\ B ,\\ C`and `\""D
Channel: Doubtnut
Date: 2020-01-28

If `p_1,\\ p_2,\\ p_3`
are the altitudes of a triangle from its vertices `A ,\\ B ,\\ C`
and `\"Delta\"`
, the area of the triangle `A B C ,`
then `1/(p_1)+1/(p_2)-1/(p_3)`
is equal to
`s/\"Delta\"`
(b) `(s-c)/\"Delta\"`
(c) `(s-b)/\"Delta\"`
(d) `(s-a)/\"Delta\"`