find the values of k for which the following equations have two distinct roots.
(a) x^2+8x+3=k
(b) 2x^2-5x =4-k
(c) kx^2-4x+2=0
(d) kx^2+2(k-1)x+k=0
(e) 2x^2=2(x-1)+k
(f) kx^2+(2k-5)x=1-k
(a)
(b)
(c)
k≠0k\not=0k=0
(d)
(e)
(f)
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