Question

7. Find the nature of roots of quadratic equation 2x^2 + 5x + 5 =0
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Answer 1

ax^2 +bx + c = 0

THEN ,

D = b^2-4ac

D = 5^2 -4×4×5

D= 25-80

D= -55

So , the value of d is less than 0

THEN

It is complex root