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jay's solution was good one. here is another good soln. let m,n,o,p be the roots of the given equation first substitute x by (x-1)^1/2 in the given equation this will change the roots of the equation from m,n,o,p to m^2+1 etc. now separate the under roots on one side and the rest on the other square the whole equation and get the reqd biquadratic eqn. the (coefficient of x^0)/(coeff of x^4) is the required answer.
rate me if i am correct.
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