Question

The value of k for which the quadratic equation x2 -4x + k = 0 has equal roots is:

Answer 1

Answer:

answer for the given problem is given

Answer 2

Answer:

Step-by-step explanation:

Given :$x^{2}$ -4x + k = 0 has equal roots

Therefore D=$b^{2}$-4ac=0

where b=-4  a=1  c=k

$-4^{2}$-4[1][k]=0

16-4k=0

4k=16

k=16/4

k=4

therefore the required answer=k=4

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