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21x^(2) - 28x + 10=0...

`21x^(2) - 28x + 10=0`

Text Solution

Verified by Experts

The correct Answer is:
`2/3 +- sqrt(14)/21 i`
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Knowledge Check

  • If x^(2) + mx - 28 = (x-7)(x+4) , then m = ……… .

    A
    3
    B
    `-3`
    C
    11
    D
    `-11`

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