torigyrl678 torigyrl678
  • 23-03-2021
  • Mathematics
contestada

A quartic polynomial P(x) has rational coefficients. If 2 − i and-√5 are roots of P(x) = 0, what are the other 2 roots?

Respuesta :

oladayoademosu
oladayoademosu oladayoademosu
  • 27-03-2021

Answer:

2 + i and + √5

Step-by-step explanation:

Since P(x) is a quartic equation, it has 4 roots.

Since 2 - i and -√5 are two of its roots, then its conjugate pairs of 2 + i and + √5 are its other two roots.

So, its other two roots are 2 + i and + √5

Answer Link

Otras preguntas

what famous ancient greek mathematician came up with an approximate value of pi by circumscribing and inscribing circles in and around regular polygons?
How can you tell when a solution is formed?
What is 1/2 of a liter in mL?
what is the perpendicular adjacent sides in the triangle
What is foreshadowing?
What is a compound word of a foot that is bare. Join two words from the riddle to make a compound word
What is a compound word of a foot that is bare. Join two words from the riddle to make a compound word
How do you fins the sum of 2/10 and20/100?
What are the two consecutive number with a product of 121
What do you call a fraction with her at normal numerator and a denominator as 0 ?