Question

9x square-kx+1=0 Quadratic equation find the K value​

Answer 1

bro what is your question l can't understand your question properly

Answer 2

K= 6 or -6

Step by step solution

9x^2 - kx +1 =0 have equal roots So D= 0

ie

b^2 - 4ac=0

(-k)^2 - 4 ×9×1=0

k^2 - 36 =0

k^2=36

k= +6 or - 6

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