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Question

The roots of equation, x2 + 1 = 0, are


A
(1,1)
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B
(1, -1)
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C
(1,2)
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D
Has no roots
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Solution

The correct option is D Has no roots

Given: x2 + 1 = 0 a=1,b=0,c=1

Discriminant of the given quadratic equation is b2 - 4ac = -4

As the discriminant is negative, the equation does not have any real roots.


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