the value of p for which the quadratic equation x(x-4)+p=0 has real roots,is
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x2 - 4x + P = 0
Real roots,
Therefore, D>=0
D=b2-4ac
o =< 16-4P
therefore, P=4 or P <4
Real roots,
Therefore, D>=0
D=b2-4ac
o =< 16-4P
therefore, P=4 or P <4
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