Q.If a,b are the roots of 2 x px 1 0 + + = + + = + + = + + = and c,d are the roots of 2 x + + + qx + + + 1 0 = then the value of (a c) − − (b c) − − (a d) + + (b d) + + is
Correct answer: −2 2/q p
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