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The value of a for which the equation x...

The value of a for which the equation `x^3 + ax + 1 = 0 and x^4+ ax + 1 = 0` have a common root, is

A

2

B

`-2`

C

3

D

`-3`

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The correct Answer is:
B
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FIITJEE-MATHEMATICS TIPS-ASSIGNMENT -OBJECTIVE
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