if x = -1/2 is a solution of the quardic 3x^2 + 2Kx - 3 = 0 , find the value of K ?
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Answer:
-9/4
Step-by-step explanation:
3(x)^2 + 2Kx -3 = 0
3(-1/2)^2 +2K(-1/2) -3 = 0
3×1/4 - K - 3 = 0
3-4K-12=0
4k=-9
K= -9/4
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