Question

find the root of the following quadzalic
equation by
factorization : x² 31-10=0​

Answer 1

Answer:

Roots for the quadratic equation ax

2

+bx+c , the roots are

x=

2a

−b±

b

2

−4ac

For the given equation x

2

+3ix+10 ,

b

2

−4ac=(3i)

2

−4(1)(10)

=9i

2

−40

=−9−40=−49

So, the roots are

x=

2

−3i±

−49

x=

2

−3i±7i