[" If "l,m,n" are in A.P.,then the line ...

[" If "l,m,n" are in A.P.,then the line "lx+my+n=0],[" will always pass through the point "],[[" (a) "(-1,2)" (b) "(1,-2)," (c) "(2,4)," (d) "(3,2)]]

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