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Ksju [112]
3 years ago
10

How many real roots does x^4 - x^3-9x^2+7x+14=0 have?

Mathematics
1 answer:
AysviL [449]3 years ago
4 0
F(x)=(x+2)(x^2+2x+3)
that's for the second one

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The probability that a student, chosen at random, does not study chemistry is 20/41.

<h3>What is Probability?</h3>

Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event. For an experiment having 'n' number of outcomes, the number of favorable outcomes can be denoted by x. The formula to calculate the probability of an event is as follows.

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brainly.com/question/11234923

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