Math, asked by s1678bnikitha11742, 2 months ago

Find ‘ k ’ for which quadratic equation 9x2 – 3 kx + k = 0 have equal roots .​

Answers

Answered by Anonymous
3

Step-by-step explanation:

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Answered by ananth15pnp2pez7
0

Answer:

k = 2

Step-by-step explanation:

9x2 - 3kx + k = 0

a = 9 , b = -3k , c = k

b2- 4ac = 0

(-3k)2 – 4(k)(9) = 0

9k2 - 36k = 0

9k2 = 36

k2 =  36/9

k2 = 4

k = √4

k = 2

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