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

Each of a and b can take values of 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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The correct Answer is:

B

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