Question

Nature some roots of the equation x²+2x ×4=0

Answer 1

Answer:

nature of root = -b +_ √ b^2 -4ac/2a

in given eq.

a = 1

b = 2

c = 4

x = -2 +_ √2^2- 4×1×4

_______________

+ 2×1

x = -2√4

---------

2

x = +-2×2 /2

x =+_4/2

x =+ -2

x = 2, x = -2....... Answer