Find the value of k for which the roots are real and equal.
kx^2+4x+1=0
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Answer:
Step-by-step explanation:
kx² + 4x + 1 = 0
b² - 4ac = 0
4² - 4 (k) (1) = 0
16 - 4k = 0
4k = 16
k = 16/4
k = 4
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