find the discrinant of the following quadratic equation
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Step-by-step explanation:
d=0
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answer:
4p^2 + 4pq+q^2-r^2
D = b^2 -4ac
= (4q)^2 - [(4)(q^2-r^2)]
= 16q^2 - 16q^2 + 16r^2
= 16r^2
hence discriminant of that eqn is 16r^2
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