Question

If α and β are the roots of the polynomial x2-4x+5 then α+β is (a): 1 (b): 2 (c): 3 (d): 4
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Answer 1

Answer:

option d,) 4 is correct

Step-by-step explanation:

x² - 4x + 5

a = 1 b = - 4. c = 5

sum of roots. α + β = -b/a = 4

Answer 2

Answer:

3 is the correct answer

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