14. IF (a – b), a and (a + b) are zeros of the polynomial 2x – 6x² + 5x – 7. write the value of a​

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14. IF (a – b), a and (a + b) are zeros of the polynomial 2x – 6x² + 5x – 7. write the value of a​

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Emery 1 month 2021-08-19T04:58:08+00:00 1 Answer 0 views 0

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    2021-08-19T04:59:53+00:00

    Answer:

    (a-b),a,(a+b) are the zero s of 2x^3-6x^2+5x-7

    some of zeros= -(coefficient of X) / ( coefficient of x^2 )

    a-b+a+a+b = – (6) /2

    =3

    3a =3

    or =a=1

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