Q 2276380276.     For a quadratic equation of the form `ax^2 + bx + c = 0, b/c = 4` and one of its roots is `(-2)`. The quadratic equation is :

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A

`7x^2 + 4x + 16 = 0`

B

` 7x^2 + 16x + 4 =0`

C

`7x^2 - 4x + 16 = 0`

D

`7x^2 + 16x – 4 = 0`

E

` 7x^2 - 16x + 4 = 0`

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