# If then the quadratic equation has Option 1) At least one in   Option 2) At least one root in  Option 3) At least one root in Option 4) none of these

As we learnt in

Rolle's Theorems -

Let f(x) be a function of x subject to the following conditions.

1.  f(x) is continuous function of

2.  f'(x) is exists for every point :

3.

-

So at least one root between (0,1)

Option 1)

At least one in

This option is correct

Option 2)

At least one root in

This option is incorrect

Option 3)

At least one root in

This option is incorrect

Option 4)

none of these

This option is incorrect

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