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If the equation cx^(2)+bx-2a=0 has no re...

If the equation `cx^(2)+bx-2a=0` has no real roots and `a lt (b+c)/(2)` then

A

`"a c"lt 0`

B

`a lt 0`

C

`(c-b)/(2)gt a`

D

`(c+2b)/(8)gt a`

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A, B, C, D
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