Question

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Answer 1

Answer:

k=-46/4

Step-by-step explanation:

x=4

3×4×4+k×4-2=0 (given and values put)

48-2+4k=0

46=-4k

k=-46/4

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Answer 2

Solution : -

Given : -

If x = 4 is a root of equation 3x² + kx - 2 = 0

To Find : -

Value of x = ?

Step-by-step Explanation : -

x = 4

3(4)² + k(4) - 2 = 0

3(16) + 4k - 2 = 0

48 + 4k - 2 = 0

48 - 2 = -4k

46 = -4k

k = 46/4

k = 23/2 [Answer]

So , the value of k is 23/2