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[" 39.If the quadratic equation "4x^(2)-...

[" 39.If the quadratic equation "4x^(2)-2x-m=0" and "4p(q-r)x^(2)-2q(r-p)x+r(p-q)=" Ohave a "],[" common root such that second equation has equal roots then the value of "m" will be : "],[[" (a) "0," (b) "1," (c) "2," (d) "3]]

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