Question

find the value of k for quadratic equation k x square (2k+4) x+9=0, so that they have two equal roots.​

Answer 1

Answer:

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Answer 2

Answer:

k=1

Step-by-step explanation:

kx*+(2k+4)x+9=0

kxk+2kx+4x+9=0

By comparing ax*+bx*+c=0

• D=b*-4ac

(6k)*-4(k)(9)

36k*-36k=0

36k*=36k

36k=36

k=36/36

k=1