Which out of the following is a correct equation to show change in molar conductivity wrt conc.

Which out of the following is a correct equation to show change in molar conductivity with respect to concentration for a weak electrolyte, if the symbols carry their usual meaning :
Which out of the following is a correct equation to show change in molar conductivity with respect to concentration for a weak electrolyte, if the symbols carry their usual meaning :
JEE Mains 2024 April 9 Evening
(1) Λm2С - КаΛ°2m + Ка Λ°m Λm = 0
(2) Λm - Λ°m + AC1/2 = 0
(3) Λm - Λ°m - AC1/2 = 0
(4) Λ2mC + КaΛ°2m - Ka Λ°m Λm = 0
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