alexwheeler2 alexwheeler2

31-01-2015
Mathematics

contestada

find a fourth degree polynomial equation with integer coefficients that has the given numbers and roots: 2i and 4-i

Respuesta :

jamiesm jamiesm

31-01-2015

first the roots are: 2i, 4-i and their pairs of -2 and 4+i
therefore the factors are x-2i, x+2i, x-4+i and x-4-i
times there using a method of your choice : (x-2i)(x+2i)(x-4+i)(x-4-i)
to get (x^4)-8(x^3)+21(x^2)-32x+68

Answer Link

Otras preguntas

you are the mother-baby nurse assigned to ms. avery. she is a g4p3 who gave birth to a 9-lb (4082-g) baby boy this morning. ms. avery had an uncomplicated but p

quizlet what dish, along with rice, is almost always served at breakfast in korea? eggs tofu soup noodles fruit

Question 5 of 10 Which is the best general statement about the role of government in business in the United States? O A. Government owns the resources of produc

extract a list of categorical feature names from a dataframe using a threshold to infer categorical variables based on the number of unique levels

what expression is equivalent to 2y+7

Explain the idea of the incan community storehouses. what were they and what was its purpose?

jim invests as a limited partner in xyz partnership (his only activity) and pays $150,000 for a 10% interest. he receives a k-1, which allocates an $80,000 loss

a quelle date l'astronome pourra t il observer a nouveau les deux asteiroide le meme jour pour la 1er fois

I need help with this question, I don't understand how we get the x value in the equation. y=x-1 y=-x+3

what is the correct sequence of events listed? biologists think that speciation generally occurs when: (i) different mutations occur in the two isolated populat