Question

find the value of k for which the quadratic equation 2x2+kx+2=0 has equal roots
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Answer 1

Answer:

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Step-by-step explanation:

2x² + kx + 2 = 0

b²-4ac = 0

k² - 4×2×2 = 0

k² = 16

k = √16

k = ± 4

k = 4,-4

Answer 2

Answer:

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Step-by-step explanation:

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