Question

4 x square - 3k x + 9 equals to zero has real roots find the value of k​

Answer 1

Step-by-step explanation:

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Answer...

✌Please refer to the attachment✌

Answer 2

Answer:

Real root = 0

a = 4 , b = -3k , c = 9

b^(2) - 4 ac = 0

(-3k)^(2) - 4 × 4 × 9 = 0

9k^(2) - 144 = 0

9k^(2) = 144

k^(2) = 144 ÷ 9

k^(2) = 16

k = 4.

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