Question

anwer the above questions​

Answer 1

Answer:

x² + 6x + 5

Step-by-step explanation:

Given : α+β = -6

αβ = 5

For polynomial , we have

=> x² - (α+β)x + αβ

=> x² - (-6)x + 5

=> x² + 6x + 5

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Answer 2

Answer:

Given,

a + b =5 & ab = 6.

( a + b )= a³ + b³ + 3ab (a+b)

(5)³= a³ + b³ + 3 × 6 [5]

125 = a³ + b³ +90

a3³ + b³ = 125 – 90

a³ + b³ = 35.