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Each of a and b can take values 1 or 2 w...

Each of a and b can take values 1 or 2 with equal probability. The probability that the equation `ax^(2)+bx+1=0` has real roots, is equal to-

A

`(1)/(2)`

B

`(1)/(4)`

C

`(1)/(8)`

D

`(1)/(16)`

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