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OpenStudy (anonymous):
use the discriminiant to determine the nature of the roots of x^2-4x+4=0
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OpenStudy (gorv):
discriminiant=(-4)^2-4*1*4=26-16=0
OpenStudy (gorv):
sorry 16-16=0
OpenStudy (gorv):
so root will be real n equal
OpenStudy (gorv):
@grisell95
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