Question

The value of four which the quadratic
equation
3 x² +Kx +3=0 has equal roots is are​

Answer 1

Answer:

k = 6 and -6

Step-by-step explanation:

If discriminant (D) is equal to 0 then roots are equal.

D = 0

b² - 4ac = 0    ,,   where a = 3 , b = k and c = 3

k² - 4*3*3 = 0

k² - 36 = 0

(k + 6) (k - 6) = 0

==: k = 6 and -6

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