31. If one root of equation `Ax^2+Bx+C=0` is i(a-b) then `(AB)/C` equals
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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW 31. If one root of equation `Ax^2+Bx+C=0` is i(a-b) then `(AB)/C` equals
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