Find the nature of roots for the quadratic equation.
2x2-root5x+1=0
Answers
Answered by
59
Solution :
Compare 2x² - √5x + 1 = 0 with
ax²+bx+c=0 , we get
a = 2 , b = -√5 , c = 1
Discreminant ( D ) = b² - 4ac
= ( -√5 )² - 4 × 2 × 1
= 5 - 8
= -3
D < 0
No real roots .
Therefore ,
Quadratic equation has no real roots
•••••
Compare 2x² - √5x + 1 = 0 with
ax²+bx+c=0 , we get
a = 2 , b = -√5 , c = 1
Discreminant ( D ) = b² - 4ac
= ( -√5 )² - 4 × 2 × 1
= 5 - 8
= -3
D < 0
No real roots .
Therefore ,
Quadratic equation has no real roots
•••••
roshansallagundla:
Thx
Answered by
10
Answer:Roots are imagery
Step-by-step explanation:
Here d=-3 (d<0)
So roots will be imagery
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