Question

plz ans this question ​

Answer 1

Answer:

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Answer 2

Answer:

Sol. 3y2 – ky + 8 = 0

y = 2/3, is the root of given quadratic equation.

So it satisfies the given equation.

∴ 3(2/3)2 – k(2/3) + 8 = 0

∴ 3(4/9) – 2k/3 + 8 =0

∴ 12/9 – 2k/ 3 + 8 = 0

Multiplying the equation by 9 we get,

12 – 6k + 72 = 0

∴ 6k = 84

∴ k = 84/6

∴ k = 14