Question

find the value of c for which the quadratic equation
$4x {}^{2} - 2(c + 1)x + (c + 1) = 0$
has equal roots​

Answer 1

Answer:

for equal roots D=0

b2-4ac=0

4c2+4+8c-16c-16=0

Step-by-step explanation:

4c2-8c-12=0

c2-2c-3=0

c2-3c+c-3=0

(c+1)(c-3)=0

c=+1,3

hope this will help you