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The range of a for which the equation x^...

The range of `a` for which the equation `x^2+x-4=0` has its smaller root in the interval `(-1,2)i s` `(-oo,-3)` b. `(0,3)` c. `(0,oo)` d. `(-oo,-3)uu(0,oo)`

A

`(-oo,-3)`

B

(0,3)

C

`(0,oo)`

D

`(-oo,-3)cup(0,oo)`

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The correct Answer is:
A
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