Question

write the roots of the following quadratic equations x2- x - 2=0​

Answer 1

Answer:

Solve following equation:

x^2−x+2=0

Answer

The roots of the quadratic equation Ax

2

+Bx+C=0 are

x=

2A

−B±

B

2

−4AC

The given equation is x

2

−x+2=0

for the given equation, B

2

−4AC=(−1)

2

−4(1)(2)=−7

So the roots are

x=

2

−(−1)±

−7

x=

2

1±

7

i

Step-by-step explanation:

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