find the value of k for which is the equation 2x^2+8kx+8=0 has equal roots
A. 3 B. -3 C. 6 D. -6
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Step-by-step explanation:
option B Or D is correct
Answered by
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Answer:
for equal roots discriminant should be zero
=>b²-4ac=0
=>64k²=64
=>k=1 and your given option are incorrect don't mind it can be clearly seen that it is 2×(x+2)²=0
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