The polynomial has |
|||

a) |
Four real roots |
b) |
At least two real roots |

c) |
At most two real roots |
d) |
No real roots |

The polynomial has |
|||

a) |
Four real roots |
b) |
At least two real roots |

c) |
At most two real roots |
d) |
No real roots |

1 Answer

127 votes

**(b)**

Let

and

At least one of and is positive

Hence, the polynomial has at least two real roots

127 votes

127