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Two numbers b and c are chosen at random...

Two numbers b and c are chosen at random with replacement from the numbers `1, 2, 3, 4, 5, 6, 7, 8 and 9`. The probability that `x^2+bx+c > 0` for all `x in R ` is

A

`23/81`

B

`7/9`

C

`32/81`

D

`65/729`

Text Solution

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The correct Answer is:
C
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