Question

(I) Write discriminant of x^2-2x + k = 0, k ∈ R.
find D using formula (b square -4ac)
Class 10

Answer 1

Answer:

4(1-k)

Step-by-step explanation:

b^2-4ac

b= -2

a= 1

c= k

(-2)^2-4×1×k

4-4k

4(1-k)