Asked by anna
The following polynomial is prime. 2q² + 9q + 1
Answers
Answered by
Reiny
If prime ----> can't be factored over the rational numbers
no rational factors if its (b^2 - 4ac) is NOT a perfect square.
b^2 - 4ac = 81 - 4(2)(1) = 73
which is not a perfect square , so ....
end of discussion.
no rational factors if its (b^2 - 4ac) is NOT a perfect square.
b^2 - 4ac = 81 - 4(2)(1) = 73
which is not a perfect square , so ....
end of discussion.
Answered by
Knights
What is the question, anna? Do we need to factor it?
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