Which of the following equations has imaginary roots? x2 + 3x – 5= 0
22 – 7x + 10 = 0
2x2 – 3x + 1 = 0
22 +63 + 10 = 0

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option

homozygous. one is homozygous, while two is heterozygous.

answer: what are the following choices