Question

2. Solve the equation 3x^2-4x^2+x+88=0 which has 2-√-7as a root
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Answer 1

Answer:

Answer

Correct option is

C

3

2+i

2

,

3

2−i

2

The given quadratic equation is, 3x

2

−4x+2=0

comparing it with standard form quadratic equation ax

2

+bx+c=0

we get, a=3,b=−4,c=2

Thus required roots are given by,

2a

−b±

b

2

−4ac

=

6

4±

16−24

=

6

4±2

−2

=

3

2±

2

i

since

−1

=i