Question

if the root of the given quadratic equation are real and equal then find the value of 'K'
X2+2x+k=0.


Mr rider 46​

Answer 1

Answer:

If the discriminant of the quadratic expression is equal to zero, then the quadratic expression has equal real and equal roots. Hence the value of k is 92

Answer 2

Step-by-step explanation:

a=1,b=−2,c=k

⇒(−2)

2

−4×1×k>0

⇒4−4k>0

⇒4(1−k)>0

⇒k−1<0

⇒k<1

∴k∈(−∞,1)