Determine whether 2,5/2 are roots of equation 2x²-5x=0
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Answer:
Given equation is 2x
2
−
5
x+1=0
On comparing with ax
2
+bx+c=0 we get
a=2,b=−
5
and c=1
D=b
2
−4ac
=(−
5
)
2
−4×2×1=5−8
∴ Discriminant =−3<0
Since, discriminant is negative ∴ quadratic equation 2x
2
−
5
x+1=0 has no real roots . i.e, imaginary roots.
Step-by-step explanation:
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