Question

find the discriminant for quadratic equation :- 4√5 x2 - √5x -√20 =0

Answer 1

D = b²-4ac

D= 5+ 4√5×√20

D=5 + 4√5 x √5 x √4

D = √5( √5 + 4 √20)

Answer 2

Answer:

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Step-by-step explanation:

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