Question

find the value of k for which the given equation has real roots 9x^2 + 3kx + 4 = 0​

Answer 1

Answer:

since the given equation has real roots we can take discriminent > =0

b²-4ac>=0

Step-by-step explanation:

9k²-4(9)(4)>=0

9k²-144>=0

9k²>=144

k²>=16

k>=4

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