Question

Find the value of k in which x²-4x+k=0 has equal roots

Answer 1

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Answer 2

Answer:

K = 4

Step-by-step explanation:

Since it has equal roots ,

[(Coefficient of X )^2] -[4 × coefficient of x square × constant ] =0

4^2 - (4×1×k) = 0

16 - 4k = 0

-4k = -16

K = 4