Find the discriminant of quadratic equation 4√5x2-√5x-√20=0 in brainly
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Answer:
simple apply formula
D=b^2 -4ac
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Step-by-step explanation:
d=b^2 - 4ac
therefore, (√5)^2 - 4[4√5×(-√20)]
=> 5 - 4[4√5×-(2√5)
=> 5 - 4(-8×5)
=> 5 - 4(-40)
=> 5 × 160
therefore, d = 800.
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