Math, asked by nishabisht11537, 2 months ago

if x=-1/2 is a solution of the quadratic equation 3x^2+2kx+3=0 find the value of k

Answers

Answered by riyabansal0407
1

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Answered by aakashkr470
1

Answer:

x = -1/2

is solution of 3x^2 + 2kx + 3 = 0

so, put the value of x in the quadratic equation

3(-1/2)^2 + 2k(-1/2) + 3 =0

3(1/4) - 2/2k + 3 = 0

3/4 - k + 3 = 0

k = 3/4 + 3

k = (3 + 12)/4

k = 15/4

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